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P1113 — Intake Resonance Switchover Valve Circuit

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Code

P1113

BUICK P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: BUICK
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

P1113

CADILLAC P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: CADILLAC
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

P1113

CHEVROLET P — Powertrain

Intake Resonance Switchover Valve Circuit

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

404

Browse 404 CHEVROLET manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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Code

P1113

CHRYSLER P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: CHRYSLER
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

P1113

CITROEN P — Powertrain

Fuel pressure regulation

Brand: CITROEN
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

P1113

DAEWOO P — Powertrain

MDP SNSR - PERFORMANCE MAL

Brand: DAEWOO
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

Repair manuals

Manual library for DAEWOO

75

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Code

P1113

DS P — Powertrain

Fuel pressure regulation

Brand: DS
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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+100 karma for a short comment :)
Send to email
Code

P1113

GM P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: GM
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

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Code

P1113

GMC P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: GMC
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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Code

P1113

HUMMER P — Powertrain

Intake Resonance Switchover Solenoid Control Circuit

Brand: HUMMER
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

Repair manuals

Manual library for HUMMER

138

Browse 138 HUMMER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

HUMMER

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Code

P1113

ISUZU P — Powertrain

Boost Temperature Sensor Circuit High

Brand: ISUZU
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

Repair manuals

Manual library for ISUZU

86

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Code

P1113

LAND ROVER P — Powertrain

Intake Air Temperature Sensor 2 high input

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

320

Browse 320 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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Code

P1113

MAZDA P — Powertrain

Intake Air Temperature Sensor Signal Dynamic Chamber Circuit

Brand: MAZDA
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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Code

P1113

OLDSMOBILE P — Powertrain

Intake Resonance Switchover Valve Circuit

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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Code

P1113

Other P — Powertrain

IAT Sensor Open/Short

Brand: Other
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

8,086

The library contains 8,086 repair and diagnostic manuals. Choose a brand to open the full manual tree by year, model and trim.

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Code

P1113

PEUGEOT P — Powertrain

Fuel pressure regulation

Brand: PEUGEOT
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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Code

P1113

SATURN P — Powertrain

Intake Resonance Switchover Valve Circuit

Brand: SATURN
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

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Code

P1113

VOLKSWAGEN P — Powertrain

Oxygen Sensor Heater Resistance Too High Bank 1 Sensor 1

AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open or shorted wiring in the resonance/runner valve control circuit
  • Corroded, loose, or damaged connector or terminals at the valve
  • Failed intake resonance switchover valve (solenoid/actuator)
  • Blown fuse or faulty relay supplying the circuit (if applicable)
  • Water intrusion or debris in connector/wiring
  • ECM driver fault (rare) or poor ground

Symptoms

  • Check Engine Light (MIL) illuminated
  • Reduced engine performance or diminished midrange torque
  • Hesitation or stumble on acceleration
  • Erratic idle or mild roughness
  • Possible reduced fuel economy
  • Intake runner resonance not engaging (may be noticed as changed engine sound)

What to check

  • Scan for stored/active codes and capture freeze-frame data
  • Check live data / commanded state for the intake resonance valve with a scan tool
  • Perform a careful visual inspection of the valve, connector, and wiring for damage or corrosion
  • Backprobe the connector with key ON and engine OFF to verify supply voltage and ground reference
  • Measure coil resistance of the valve solenoid and compare to specification
  • Check continuity and resistance between valve connector and ECM pin (with power removed)

Signal parameters

  • Supply voltage at valve harness pin: approximately battery voltage with key ON (check spec)
  • Control signal: ECM typically switches ground/pulse to control solenoid — expect pulsed ground when commanded
  • Solenoid coil resistance: check service information; typical intake solenoids often measure in the low tens of ohms (verify before replacing)
  • No continuity to ground on the control pin when valve is not commanded (depends on design)
  • Commanded state should change live-data bit/position when valve is driven by scan tool

Diagnostic algorithm

  1. Retrieve codes and freeze frame with a scan tool; note when the fault occurred (conditions).
  2. Visually inspect the valve, mounting, connector, and harness for damage, corrosion, or water entry. Repair obvious damage.
  3. With key ON (engine OFF) backprobe the connector: verify battery supply at the power feed pin and check the control pin for correct reference/ECM connection.
  4. Measure solenoid coil resistance (with harness disconnected). Compare to the vehicle/service specification; replace if open or out of spec.
  5. Check continuity between the valve connector pins and the ECM connector pins with power off. Repair any open or high-resistance wiring.
  6. If wiring checks OK, command the valve ON/OFF using a scan tool while monitoring voltage at the connector to verify the ECM is switching the circuit and the valve responds.
  7. If the valve does not respond to commanded activation but bench-testing the valve (apply proper voltage/ground) operates it, focus on harness/ECM wiring repair.
  8. If bench-tested valve fails, replace the resonance switchover valve/solenoid and re-test.
  9. After repairs, clear codes, perform operational test drive and re-scan to confirm the fault does not return and readiness is restored.
  10. If wiring and valve test good but code returns, check fuses/relays and consider ECM driver fault — consult advanced diagnostics/service manual before ECM replacement.

Likely causes

  • Broken/chafed harness wire to the valve
  • Corroded or worn connector causing intermittent contact
  • Failed solenoid coil (open or high resistance)
  • Valve stuck mechanically and drawing abnormal current
  • Short to battery/ground caused by damaged insulation
  • Faulty ECM output transistor (last resort after harness/valve verified)

Fault status

⚠️ Status
Intake Resonance Switchover Valve Circuit — electrical fault detected (open/short/high resistance/intermittent) affecting intake runner control.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

139

Browse 139 VOLKSWAGEN manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

VOLKSWAGEN

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