Code result

P2D09

Motor Electronics Coolant Pump B Control Module Overtemperature

High severity

What it means

Motor electronics coolant pump B reports a control module overtemperature condition. Power electronics cooling is impaired.

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

  • Ambient temperature too high

    high

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

  • Module cooling path blocked

    medium

    A plausible cause — test and verify before replacing parts.

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