Code result

P211E

Throttle Actuator B Control Module Processor

High severity

What it means

The processor monitoring throttle B inside the throttle/PCM has reported a self-test failure — RAM check, ROM check, or watchdog timeout.

Is it safe to drive?

No — stop driving

This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.

Most likely causes

  • Internal processor 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  • Module software outdated, reflash may resolve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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