OBD-II code · Powertrain (generic, extended)
P210B Throttle Actuator B Control Motor Circuit Range/Performance
Throttle actuator B motor responds electrically but does not move the throttle plate as commanded — typically high-resistance brushes, partial winding fault, or a sticky throttle bore.
Is it safe to drive with P210B?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyMotor brushes worn
- PossibleCarbon buildup at throttle plate
- Less likelySensor element aged beyond calibration window
Symptoms
- Check engine light on
- Reduced throttle response, possible limp mode
- Hesitation or surging
- Idle too high or too low
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Throttle Actuator B, Throttle Motor B
Related codes
- P210AThrottle Actuator B Control Motor Circuit/Open
- P2108Throttle Actuator Control Module Performance
- P2109Throttle/Pedal Position Sensor A Minimum Stop Performance
- P210CThrottle Actuator B Control Motor Circuit Low
- P210DThrottle Actuator B Control Motor Circuit High
- P210EThrottle/Pedal Position Sensor/Switch C/F Voltage Correlation
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.