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DTC codes / P2Dxx · Hybrid propulsion / P2D90

P2D90Engine Oil Pressure Sensor/Switch C Circuit High

P2D90 means the powertrain control module (PCM) has detected a high-voltage condition on the signal circuit for engine oil pressure sensor or switch C. The sensor's output voltage is above the normal range for the current engine operating conditions, so the PCM cannot trust the oil pressure reading.

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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