Throttle Actuator Control Motor Circuit High
Drive voltage to the throttle motor is above the upper limit. Usually a short to supply or an open ground.
Affected components
- Throttle actuator motor
- Throttle body wiring
- Ecm
Common causes
- High likelihood: Drive line shorted to supply
- Medium likelihood: Throttle motor ground open
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.