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Home / DTC / P2119 — Throttle Actuator A Control Throttle Body Range/Performance

P2119 — Throttle Actuator A Control Throttle Body Range/Performance

Detailed page for trouble code P2119.

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11,846generic
22,491specific
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P2119

Generic P — Powertrain

Throttle Actuator A Control Throttle Body Range/Performance

Brand: Generic
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corroded or loose connector or wiring to the electronic throttle body (ETB).
  • Failing throttle actuator motor or internal ETB electronics.
  • Contaminated or sticking throttle plate (carbon build-up).
  • Faulty throttle position sensor(s) or bad sensor signals.
  • Low battery voltage or poor charging system causing inadequate supply to actuator.
  • Intermittent short or open in control wiring (power, ground, signal).

Symptoms

  • Check Engine Light (MIL) illuminated and P2119 stored.
  • Reduced engine power or limp-home mode with limited throttle response.
  • Delayed or erratic throttle response, hesitation or surging.
  • High, low, or unstable idle RPM.
  • Vehicle may stall or hesitate at low speed.

What to check

  • Read freeze frame and all stored codes; note any related throttle/pedal codes.
  • Verify battery voltage (should be ~12.4–14.5 V) during key on and while cranking/operating.
  • Inspect throttle body connector and wiring harness for damage, corrosion, or loose pins.
  • Scan tool: monitor commanded throttle position (CTP) vs actual throttle position (ATP)/throttle plate angle in real time.
  • Backprobe throttle body connector to verify motor supply power, ground, and sensor signal voltages.
  • Check for mechanical binding by slowly actuating throttle blade (with ignition off, where design permits) and inspect for carbon build-up or obstruction.

Signal parameters

  • Commanded Throttle Position (CTP) vs Actual Throttle Position (ATP) — difference >10–20% may trigger code (varies by manufacturer).
  • Throttle position sensor voltages typically ~0.5–4.5 V across range (two sensors usually inverse correlated).
  • Actuator motor supply voltage ~9–14 V when commanded; no supply indicates open/fuse/relay issue.
  • Idle/closed throttle position: ATP near 0–10% (or low voltage ~0.5–1.0 V depending on sensor).
  • Wide open throttle: ATP near 85–100% (or ~4.0–4.5 V depending on sensor).
  • Motor current pulses/drive signals present when throttle commanded to move (use oscilloscope for detailed waveform analysis).

Diagnostic algorithm

  1. Retrieve codes and freeze frame; note operating conditions when fault set. Clear codes and attempt to reproduce.
  2. Verify battery and charging system condition. Recharge/replace battery if voltage low before further tests.
  3. Visually inspect ETB connector and wiring for corrosion, bent pins, damaged insulation, or water intrusion. Repair as needed.
  4. With scan tool connected, command throttle positions and observe CTP vs ATP. Note any large discrepancies or lack of movement.
  5. Backprobe connector: verify reference voltage, sensor signal voltages, and ground continuity. Check motor supply voltage when throttle is commanded to move.
  6. Perform wiggle and load tests on wiring while monitoring live data to find intermittent opens/shorts.
  7. Inspect and clean throttle plate and bore if carbon build-up or sticking is present. Re-test after cleaning.
  8. Check throttle actuator motor resistance and continuity per vehicle-specific spec. Replace throttle body if motor or internal electronics out of spec.
  9. Perform throttle body relearn/calibration procedure if repairs or cleaning performed (follow OEM procedure).
  10. If wiring, connector, and throttle body check good and issue persists, consider PCM firmware update or replacement and consult manufacturer service information.
  11. After repair, clear codes and road-test to confirm fault does not return.

Likely causes

  • Poor electrical connection at throttle body (corrosion, bent pins).
  • Dirty or mechanically binding throttle plate restricting movement.
  • Damaged throttle actuator motor or internal circuit failure in throttle body assembly.
  • Bad throttle position sensor feedback (out of range or noisy signal).
  • Battery or charging system low during test causing marginal actuator operation.

Fault status

⚠️ Status
PCM detected throttle actuator A (throttle body) range or performance out of specification — commanded throttle position does not match actual throttle position or actuator response is abnormal.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

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Code

P2119

HUMMER P — Powertrain

Throttle Closed Position Performance

Brand: HUMMER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corroded or loose connector or wiring to the electronic throttle body (ETB).
  • Failing throttle actuator motor or internal ETB electronics.
  • Contaminated or sticking throttle plate (carbon build-up).
  • Faulty throttle position sensor(s) or bad sensor signals.
  • Low battery voltage or poor charging system causing inadequate supply to actuator.
  • Intermittent short or open in control wiring (power, ground, signal).

Symptoms

  • Check Engine Light (MIL) illuminated and P2119 stored.
  • Reduced engine power or limp-home mode with limited throttle response.
  • Delayed or erratic throttle response, hesitation or surging.
  • High, low, or unstable idle RPM.
  • Vehicle may stall or hesitate at low speed.

What to check

  • Read freeze frame and all stored codes; note any related throttle/pedal codes.
  • Verify battery voltage (should be ~12.4–14.5 V) during key on and while cranking/operating.
  • Inspect throttle body connector and wiring harness for damage, corrosion, or loose pins.
  • Scan tool: monitor commanded throttle position (CTP) vs actual throttle position (ATP)/throttle plate angle in real time.
  • Backprobe throttle body connector to verify motor supply power, ground, and sensor signal voltages.
  • Check for mechanical binding by slowly actuating throttle blade (with ignition off, where design permits) and inspect for carbon build-up or obstruction.

Signal parameters

  • Commanded Throttle Position (CTP) vs Actual Throttle Position (ATP) — difference >10–20% may trigger code (varies by manufacturer).
  • Throttle position sensor voltages typically ~0.5–4.5 V across range (two sensors usually inverse correlated).
  • Actuator motor supply voltage ~9–14 V when commanded; no supply indicates open/fuse/relay issue.
  • Idle/closed throttle position: ATP near 0–10% (or low voltage ~0.5–1.0 V depending on sensor).
  • Wide open throttle: ATP near 85–100% (or ~4.0–4.5 V depending on sensor).
  • Motor current pulses/drive signals present when throttle commanded to move (use oscilloscope for detailed waveform analysis).

Diagnostic algorithm

  1. Retrieve codes and freeze frame; note operating conditions when fault set. Clear codes and attempt to reproduce.
  2. Verify battery and charging system condition. Recharge/replace battery if voltage low before further tests.
  3. Visually inspect ETB connector and wiring for corrosion, bent pins, damaged insulation, or water intrusion. Repair as needed.
  4. With scan tool connected, command throttle positions and observe CTP vs ATP. Note any large discrepancies or lack of movement.
  5. Backprobe connector: verify reference voltage, sensor signal voltages, and ground continuity. Check motor supply voltage when throttle is commanded to move.
  6. Perform wiggle and load tests on wiring while monitoring live data to find intermittent opens/shorts.
  7. Inspect and clean throttle plate and bore if carbon build-up or sticking is present. Re-test after cleaning.
  8. Check throttle actuator motor resistance and continuity per vehicle-specific spec. Replace throttle body if motor or internal electronics out of spec.
  9. Perform throttle body relearn/calibration procedure if repairs or cleaning performed (follow OEM procedure).
  10. If wiring, connector, and throttle body check good and issue persists, consider PCM firmware update or replacement and consult manufacturer service information.
  11. After repair, clear codes and road-test to confirm fault does not return.

Likely causes

  • Poor electrical connection at throttle body (corrosion, bent pins).
  • Dirty or mechanically binding throttle plate restricting movement.
  • Damaged throttle actuator motor or internal circuit failure in throttle body assembly.
  • Bad throttle position sensor feedback (out of range or noisy signal).
  • Battery or charging system low during test causing marginal actuator operation.

Fault status

⚠️ Status
PCM detected throttle actuator A (throttle body) range or performance out of specification — commanded throttle position does not match actual throttle position or actuator response is abnormal.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P2101 P2110 P2111 P0122 P2135
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.

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Code

P2119

MITSUBISHI P — Powertrain

Throttle actuator throttle body

Brand: MITSUBISHI
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Corroded or loose connector or wiring to the electronic throttle body (ETB).
  • Failing throttle actuator motor or internal ETB electronics.
  • Contaminated or sticking throttle plate (carbon build-up).
  • Faulty throttle position sensor(s) or bad sensor signals.
  • Low battery voltage or poor charging system causing inadequate supply to actuator.
  • Intermittent short or open in control wiring (power, ground, signal).

Symptoms

  • Check Engine Light (MIL) illuminated and P2119 stored.
  • Reduced engine power or limp-home mode with limited throttle response.
  • Delayed or erratic throttle response, hesitation or surging.
  • High, low, or unstable idle RPM.
  • Vehicle may stall or hesitate at low speed.

What to check

  • Read freeze frame and all stored codes; note any related throttle/pedal codes.
  • Verify battery voltage (should be ~12.4–14.5 V) during key on and while cranking/operating.
  • Inspect throttle body connector and wiring harness for damage, corrosion, or loose pins.
  • Scan tool: monitor commanded throttle position (CTP) vs actual throttle position (ATP)/throttle plate angle in real time.
  • Backprobe throttle body connector to verify motor supply power, ground, and sensor signal voltages.
  • Check for mechanical binding by slowly actuating throttle blade (with ignition off, where design permits) and inspect for carbon build-up or obstruction.

Signal parameters

  • Commanded Throttle Position (CTP) vs Actual Throttle Position (ATP) — difference >10–20% may trigger code (varies by manufacturer).
  • Throttle position sensor voltages typically ~0.5–4.5 V across range (two sensors usually inverse correlated).
  • Actuator motor supply voltage ~9–14 V when commanded; no supply indicates open/fuse/relay issue.
  • Idle/closed throttle position: ATP near 0–10% (or low voltage ~0.5–1.0 V depending on sensor).
  • Wide open throttle: ATP near 85–100% (or ~4.0–4.5 V depending on sensor).
  • Motor current pulses/drive signals present when throttle commanded to move (use oscilloscope for detailed waveform analysis).

Diagnostic algorithm

  1. Retrieve codes and freeze frame; note operating conditions when fault set. Clear codes and attempt to reproduce.
  2. Verify battery and charging system condition. Recharge/replace battery if voltage low before further tests.
  3. Visually inspect ETB connector and wiring for corrosion, bent pins, damaged insulation, or water intrusion. Repair as needed.
  4. With scan tool connected, command throttle positions and observe CTP vs ATP. Note any large discrepancies or lack of movement.
  5. Backprobe connector: verify reference voltage, sensor signal voltages, and ground continuity. Check motor supply voltage when throttle is commanded to move.
  6. Perform wiggle and load tests on wiring while monitoring live data to find intermittent opens/shorts.
  7. Inspect and clean throttle plate and bore if carbon build-up or sticking is present. Re-test after cleaning.
  8. Check throttle actuator motor resistance and continuity per vehicle-specific spec. Replace throttle body if motor or internal electronics out of spec.
  9. Perform throttle body relearn/calibration procedure if repairs or cleaning performed (follow OEM procedure).
  10. If wiring, connector, and throttle body check good and issue persists, consider PCM firmware update or replacement and consult manufacturer service information.
  11. After repair, clear codes and road-test to confirm fault does not return.

Likely causes

  • Poor electrical connection at throttle body (corrosion, bent pins).
  • Dirty or mechanically binding throttle plate restricting movement.
  • Damaged throttle actuator motor or internal circuit failure in throttle body assembly.
  • Bad throttle position sensor feedback (out of range or noisy signal).
  • Battery or charging system low during test causing marginal actuator operation.

Fault status

⚠️ Status
PCM detected throttle actuator A (throttle body) range or performance out of specification — commanded throttle position does not match actual throttle position or actuator response is abnormal.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 3.0 hours

Similar codes

P2101 P2110 P2111 P0122 P2135
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MITSUBISHI

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+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
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