P210F
Throttle Actuator B Control System - Forced Limited RPM
Throttle B control has detected an unsafe condition and forced an RPM limit. Common protective response when motor current, throttle position feedback, or supply voltage on the B path is out of spec.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Common causes
Ordered by how often each turns out to be the cause.
- Protection mode triggered by paired throttle-B faultCommon
Parts involved
- Throttle Actuator B
- Throttle Position Sensor B
P210F is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.