OBD-II code · Powertrain (generic, extended)

P211C Throttle Actuator B Control Motor Current Range/Performance

Throttle B motor current draw does not match the calibrated map for the commanded position — high friction, partial short, or stiction.

Is it safe to drive with P211C?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyHigh friction in throttle bore
  • Less likelySensor element aged beyond calibration window
  • Less likelySensor mounting loose - signal damping

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

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