Code result

P063F

Auto Configuration Engine Coolant Temperature Input Not Present

Moderate severity

What it means

Auto Configuration Engine Coolant Temperature Input Not Present: 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

  • ECT input wiring missing

    high

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

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