DTC codes / P2Bxx · Hybrid propulsion / P2BE0
P2BE0 indicates that the hybrid or electric vehicle battery coolant level sensor circuit is open, meaning the control module no longer sees a valid signal from the sensor that monitors the liquid coolant level in the high-voltage battery pack. The computer has detected an open circuit, which is typically a broken wire, disconnected connector, or failed sensor, rather than a low coolant condition itself.
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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