P2112 – Throttle Actuator Control System – Stuck Closed
Description
The ECM detects the throttle plate is stuck closed and cannot open as commanded.
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Compare Diagnostic ScannersSymptoms
- No throttle response
- Engine stalls
- Limp mode
- Low idle
Causes
- Carbon buildup
- Mechanical jam
- Faulty actuator motor
- Wiring issues
Diagnosis
- Inspect throttle plate movement
- Check actuator motor
- Verify wiring and connectors
- Scan for related ETC codes
Repair
- Clean throttle body
- Replace throttle actuator
- Repair wiring
