Code result

P214F

Reductant Heater A Current Too High

Moderate severity

What it means

DEF heater A current draw exceeds the upper threshold — typically a partial short in the heating element.

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

  • Element partially shorted

    high

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

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