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DTC codes / P2Dxx · Hybrid propulsion / P2D0E

P2D0EMotor Electronics Coolant Pump C Control Module Overtemperature

This code indicates that the control module for the electric coolant pump (often called the auxiliary or after-run pump) has detected an internal overtemperature condition. The module's internal temperature sensor has exceeded a calibrated threshold, typically because the pump is drawing excessive current, the module is failing, or the pump is seized.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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