Code result

P211F

Throttle Actuator B Control Module Performance

Moderate severity

What it means

The throttle control module on the B path reports general performance issues — internal fault, communication mismatch, or calibration drift.

Is it safe to drive?

Use caution

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

  • Internal module fault

    high

    One of the most commonly reported causes for this code — check this first.

  • Module software outdated, reflash may resolve

    low

    Less common, but worth ruling out after the more likely causes.

  • Supply voltage outside specification

    low

    Less common, but worth ruling out after the more likely causes.

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