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DTC codes / P27xx · Transmission / P276F
P276F indicates that the transmission control module (TCM) has detected excessive current draw in the electrical circuit for the auxiliary transmission fluid pump B motor. This pump is used in some automatic transmissions to maintain fluid pressure when the engine is stopped, such as during idle-stop or hybrid operation, and high current typically points to a shorted motor winding, damaged wiring, or a faulty pump control module.
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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