DTC codes / P2Bxx · Hybrid propulsion / P2BE2
P2BE2 indicates that the hybrid or electric vehicle battery coolant level sensor circuit is reporting a low voltage condition, which the computer interprets as a low coolant level or a circuit fault. The powertrain control module (PCM) monitors this sensor to ensure the high-voltage battery pack is properly cooled, and it sets this code when the signal voltage falls below the expected threshold for a specified time.
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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