P2111 – Throttle Actuator Control System – Stuck Open
Description
The ECM detects the throttle plate is stuck open and cannot return to the commanded position.
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View Recommended ScannersSymptoms
- High idle
- Unintended acceleration
- Harsh gear engagement
- Check Engine light
Causes
- Carbon buildup
- Mechanical binding
- Faulty throttle actuator
- Wiring faults
Diagnosis
- Inspect throttle plate movement
- Check for carbon buildup
- Test actuator motor
- Verify wiring continuity
Repair
- Clean throttle body
- Replace throttle actuator
- Repair wiring
