OBD-II code · Powertrain (generic, extended)

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.

Is it safe to drive with P210F?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyProtection mode triggered by paired throttle-B fault

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
Best left to a mechanic
Typical labour
0.7–3 h
Emissions test
Likely to fail
Parts involved
Throttle Actuator B, Throttle Position Sensor B

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.