P2110 – Throttle Actuator Control System – Forced Limited RPM
Description
The ECM intentionally limits engine RPM to protect the engine when a throttle-related fault is detected.
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View Recommended ScannersSymptoms
- Limp mode
- Low RPM limit
- Poor acceleration
- Check Engine light
Causes
- Throttle actuator failure
- APP sensor fault
- Throttle body stuck
- PCM/ECM safety strategy triggered
Diagnosis
- Check throttle body movement
- Test APP sensor signals
- Inspect actuator wiring
- Scan for related throttle codes
Repair
- Replace throttle body
- Replace APP sensor
- Repair wiring
- Address root cause triggering limp mode
