Throttle Actuator Control Range or Performance Bank 1
The drive-by-wire throttle actuator on bank 1 does not respond as commanded - actuator slow, gearing slipping, or position feedback offset against actual blade angle.
Affected components
- Throttle actuator b1
- Throttle position sensor b1
Common causes
- High likelihood: Actuator sticking due to carbon
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
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.