DTC codes / P0Cxx · Hybrid propulsion / P0C80
P0C80 indicates that the hybrid or electric vehicle battery temperature sensor designated as 'G' is sending an intermittent or erratic signal to the battery energy control module. The computer has detected that the sensor's voltage or resistance readings are jumping around or dropping out unpredictably, rather than reporting a steady temperature.
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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