DTC codes / P0Exx · Hybrid propulsion / P0ED9
P0ED9 means the battery control module has detected that the voltage signal from the sensor monitoring hybrid/EV battery pack F is lower than the expected range for the current operating conditions. The computer compares this sensor's output against other pack sensors and system models, and it flags the circuit as low when the signal stays below the calibrated threshold for a set period.
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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