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DTC codes / P0Axx · Hybrid propulsion / P0A7E

P0A7EHybrid/EV Battery Pack Over Temperature

P0A7E indicates that the hybrid or electric vehicle battery pack has exceeded its safe operating temperature threshold, as reported by the battery energy control module. The computer sets this code when the battery temperature sensor signal rises above the calibrated limit, typically to protect the cells from heat damage.

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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