Code result

P2DA5

Coolant Heater A Supply Voltage Circuit

Moderate severity

What it means

Coolant heater A supply voltage circuit reports a fault. Heater may not start when commanded.

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

  • Supply fuse blown

    high

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

  • Wiring fault

    medium

    A plausible cause — test and verify before replacing parts.

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