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Home / DTC / C1267 — Right Rear Inlet Valve Solenoid Malfunction

C1267 — Right Rear Inlet Valve Solenoid Malfunction

Detailed page for trouble code C1267.

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22,461specific
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C1267

HUMMER C — Chassis

Right Rear Inlet Valve Solenoid Malfunction

Brand: HUMMER
Type: C — Chassis
Views: UK: 20 EN: 25 RU: 33
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open, shorted or high-resistance wiring to the right rear inlet valve solenoid
  • Faulty or stuck inlet valve solenoid (coil or plunger)
  • Corroded or loose connector / terminals at solenoid or ABS modulator
  • Failed ABS/traction control hydraulic control module
  • Blown fuse or failed relay powering the ABS hydraulic unit
  • Water intrusion or contamination in the ABS modulator harness or valve body

Symptoms

  • ABS warning lamp illuminated (may be accompanied by traction/stability lamp)
  • Reduced ABS or ESC functionality; intermittent or permanent loss of ABS control for right rear wheel
  • Brake pedal feel may change during ABS events (pulsation or reduced effectiveness)
  • Stored ABS/ESC related DTCs and inability to perform normal ABS operation
  • Possible diagnostic trouble codes for related wheel speed sensors or other valve circuits

What to check

  • Read all ABS/ESC DTCs and freeze frame data with a capable scan tool; record before clearing
  • Visually inspect wiring and connector for the right rear inlet valve solenoid for corrosion, damage, or water intrusion
  • Check ABS/ESC system fuses and relays
  • Back-probe connector and verify supply voltage and ground while commanding the solenoid from the scan tool
  • Measure solenoid coil resistance at the connector (compare to factory spec or typical range)
  • Perform continuity checks from ABS module pin to solenoid connector

Signal parameters

  • Solenoid coil resistance (typical): approximately 5–25 ohms at 20°C — compare to factory specification
  • Supply voltage to valve when commanded: near battery voltage (approx. 11–14 V) or switched/pulsed by driver
  • Control signal often PWM from ABS module; duty cycle and frequency vary by system (tens to hundreds of Hz)
  • Current draw when activated: a few hundred milliamps to a couple amps depending on design — measure vs spec
  • No-voltage state should show near 0 V at the driver output; commanded state should show expected PWM/supply

Diagnostic algorithm

  1. Connect scan tool, retrieve all ABS/ESC codes and live data; note freeze frame and any related codes.
  2. Attempt to reproduce the fault by cycling ignition and commanding ABS solenoids with the scan tool's active test (if available).
  3. Visually inspect the right rear solenoid connector and harness for corrosion, bent pins, damage, or water entry; repair as needed.
  4. With ignition on (engine off) back-probe the solenoid connector: verify constant supply (if applicable) and ground while commanding the solenoid. Observe voltage and any PWM signal.
  5. Measure solenoid coil resistance at the connector with harness disconnected; compare to spec. An open or shorted coil indicates solenoid replacement.
  6. Perform continuity test between ABS module pin and solenoid connector pin; repair any high-resistance or open circuits.
  7. If wiring and solenoid check good, check drive outputs at the ABS module for proper signaling using an oscilloscope or lab scope while commanding the solenoid.
  8. If the ABS module driver is not switching or shows abnormal behavior while wiring and solenoid are good, consider module repair/replacement per manufacturer guidance.
  9. After repair or replacement, clear codes, perform system bleed if hydraulic components were replaced or disturbed, and road-test to confirm no return of C1267 and correct ABS function.
  10. If intermittent, inspect for harness movement that could cause intermittent open/short when suspension or body moves.

Likely causes

  • Connector corrosion or poor pin contact at the right rear solenoid
  • Solenoid coil open or shorted
  • Broken or damaged harness between ABS module and solenoid
  • ABS hydraulic unit internal valve/driver failure
  • Faulty ground or supply to the ABS module

Fault status

⚠️ Status
Right Rear Inlet Valve Solenoid Malfunction — ABS/ESC hydraulic control module detected improper operation or circuit fault for the right rear inlet valve solenoid.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 to 3.0 hours

Similar codes

C1250 C1256 C1266 C1271 C1234
Repair manuals

Manual library for HUMMER

138

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Code

C1267

HYUNDAI C — Chassis

Oil Temperature. Sensor

Brand: HYUNDAI
Type: C — Chassis
Views: UK: 22 EN: 24 RU: 31
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open, shorted or high-resistance wiring to the right rear inlet valve solenoid
  • Faulty or stuck inlet valve solenoid (coil or plunger)
  • Corroded or loose connector / terminals at solenoid or ABS modulator
  • Failed ABS/traction control hydraulic control module
  • Blown fuse or failed relay powering the ABS hydraulic unit
  • Water intrusion or contamination in the ABS modulator harness or valve body

Symptoms

  • ABS warning lamp illuminated (may be accompanied by traction/stability lamp)
  • Reduced ABS or ESC functionality; intermittent or permanent loss of ABS control for right rear wheel
  • Brake pedal feel may change during ABS events (pulsation or reduced effectiveness)
  • Stored ABS/ESC related DTCs and inability to perform normal ABS operation
  • Possible diagnostic trouble codes for related wheel speed sensors or other valve circuits

What to check

  • Read all ABS/ESC DTCs and freeze frame data with a capable scan tool; record before clearing
  • Visually inspect wiring and connector for the right rear inlet valve solenoid for corrosion, damage, or water intrusion
  • Check ABS/ESC system fuses and relays
  • Back-probe connector and verify supply voltage and ground while commanding the solenoid from the scan tool
  • Measure solenoid coil resistance at the connector (compare to factory spec or typical range)
  • Perform continuity checks from ABS module pin to solenoid connector

Signal parameters

  • Solenoid coil resistance (typical): approximately 5–25 ohms at 20°C — compare to factory specification
  • Supply voltage to valve when commanded: near battery voltage (approx. 11–14 V) or switched/pulsed by driver
  • Control signal often PWM from ABS module; duty cycle and frequency vary by system (tens to hundreds of Hz)
  • Current draw when activated: a few hundred milliamps to a couple amps depending on design — measure vs spec
  • No-voltage state should show near 0 V at the driver output; commanded state should show expected PWM/supply

Diagnostic algorithm

  1. Connect scan tool, retrieve all ABS/ESC codes and live data; note freeze frame and any related codes.
  2. Attempt to reproduce the fault by cycling ignition and commanding ABS solenoids with the scan tool's active test (if available).
  3. Visually inspect the right rear solenoid connector and harness for corrosion, bent pins, damage, or water entry; repair as needed.
  4. With ignition on (engine off) back-probe the solenoid connector: verify constant supply (if applicable) and ground while commanding the solenoid. Observe voltage and any PWM signal.
  5. Measure solenoid coil resistance at the connector with harness disconnected; compare to spec. An open or shorted coil indicates solenoid replacement.
  6. Perform continuity test between ABS module pin and solenoid connector pin; repair any high-resistance or open circuits.
  7. If wiring and solenoid check good, check drive outputs at the ABS module for proper signaling using an oscilloscope or lab scope while commanding the solenoid.
  8. If the ABS module driver is not switching or shows abnormal behavior while wiring and solenoid are good, consider module repair/replacement per manufacturer guidance.
  9. After repair or replacement, clear codes, perform system bleed if hydraulic components were replaced or disturbed, and road-test to confirm no return of C1267 and correct ABS function.
  10. If intermittent, inspect for harness movement that could cause intermittent open/short when suspension or body moves.

Likely causes

  • Connector corrosion or poor pin contact at the right rear solenoid
  • Solenoid coil open or shorted
  • Broken or damaged harness between ABS module and solenoid
  • ABS hydraulic unit internal valve/driver failure
  • Faulty ground or supply to the ABS module

Fault status

⚠️ Status
Right Rear Inlet Valve Solenoid Malfunction — ABS/ESC hydraulic control module detected improper operation or circuit fault for the right rear inlet valve solenoid.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 to 3.0 hours

Similar codes

C1250 C1256 C1266 C1271 C1234
371

Browse 371 HYUNDAI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

HYUNDAI

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Code

C1267

Other C — Chassis

ABS Functions Temporarily Disabled

Brand: Other
Type: C — Chassis
Views: UK: 30 EN: 34 RU: 41
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Open, shorted or high-resistance wiring to the right rear inlet valve solenoid
  • Faulty or stuck inlet valve solenoid (coil or plunger)
  • Corroded or loose connector / terminals at solenoid or ABS modulator
  • Failed ABS/traction control hydraulic control module
  • Blown fuse or failed relay powering the ABS hydraulic unit
  • Water intrusion or contamination in the ABS modulator harness or valve body

Symptoms

  • ABS warning lamp illuminated (may be accompanied by traction/stability lamp)
  • Reduced ABS or ESC functionality; intermittent or permanent loss of ABS control for right rear wheel
  • Brake pedal feel may change during ABS events (pulsation or reduced effectiveness)
  • Stored ABS/ESC related DTCs and inability to perform normal ABS operation
  • Possible diagnostic trouble codes for related wheel speed sensors or other valve circuits

What to check

  • Read all ABS/ESC DTCs and freeze frame data with a capable scan tool; record before clearing
  • Visually inspect wiring and connector for the right rear inlet valve solenoid for corrosion, damage, or water intrusion
  • Check ABS/ESC system fuses and relays
  • Back-probe connector and verify supply voltage and ground while commanding the solenoid from the scan tool
  • Measure solenoid coil resistance at the connector (compare to factory spec or typical range)
  • Perform continuity checks from ABS module pin to solenoid connector

Signal parameters

  • Solenoid coil resistance (typical): approximately 5–25 ohms at 20°C — compare to factory specification
  • Supply voltage to valve when commanded: near battery voltage (approx. 11–14 V) or switched/pulsed by driver
  • Control signal often PWM from ABS module; duty cycle and frequency vary by system (tens to hundreds of Hz)
  • Current draw when activated: a few hundred milliamps to a couple amps depending on design — measure vs spec
  • No-voltage state should show near 0 V at the driver output; commanded state should show expected PWM/supply

Diagnostic algorithm

  1. Connect scan tool, retrieve all ABS/ESC codes and live data; note freeze frame and any related codes.
  2. Attempt to reproduce the fault by cycling ignition and commanding ABS solenoids with the scan tool's active test (if available).
  3. Visually inspect the right rear solenoid connector and harness for corrosion, bent pins, damage, or water entry; repair as needed.
  4. With ignition on (engine off) back-probe the solenoid connector: verify constant supply (if applicable) and ground while commanding the solenoid. Observe voltage and any PWM signal.
  5. Measure solenoid coil resistance at the connector with harness disconnected; compare to spec. An open or shorted coil indicates solenoid replacement.
  6. Perform continuity test between ABS module pin and solenoid connector pin; repair any high-resistance or open circuits.
  7. If wiring and solenoid check good, check drive outputs at the ABS module for proper signaling using an oscilloscope or lab scope while commanding the solenoid.
  8. If the ABS module driver is not switching or shows abnormal behavior while wiring and solenoid are good, consider module repair/replacement per manufacturer guidance.
  9. After repair or replacement, clear codes, perform system bleed if hydraulic components were replaced or disturbed, and road-test to confirm no return of C1267 and correct ABS function.
  10. If intermittent, inspect for harness movement that could cause intermittent open/short when suspension or body moves.

Likely causes

  • Connector corrosion or poor pin contact at the right rear solenoid
  • Solenoid coil open or shorted
  • Broken or damaged harness between ABS module and solenoid
  • ABS hydraulic unit internal valve/driver failure
  • Faulty ground or supply to the ABS module

Fault status

⚠️ Status
Right Rear Inlet Valve Solenoid Malfunction — ABS/ESC hydraulic control module detected improper operation or circuit fault for the right rear inlet valve solenoid.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 to 3.0 hours

Similar codes

C1250 C1256 C1266 C1271 C1234
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