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DTC codes / P2Dxx · Hybrid propulsion / P2D50

P2D50Hybrid/EV Battery Pack L Over Temperature

P2D50 is a generic SAE J2012 code that indicates the hybrid or electric vehicle battery pack has exceeded its safe operating temperature threshold, specifically for the 'L' section of the pack. The battery energy control module (BECM) monitors temperature sensors and sets this code when the pack temperature rises above the calibrated limit, typically due to excessive heat generation or inadequate cooling.

SystemPowertrain
Code typeGeneric (all makes)
SeverityHigh
Fix difficultyProfessional
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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