Code result

P218A

Throttle Actuator B Control System - Idle Position Not Learned

Moderate severity

What it means

Throttle Actuator B Control System - Idle Position Not Learned: the control module has detected this fault condition.

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

  • Idle relearn procedure not completed

    high

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

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