What does code P276D mean?

Q: What does code P276D mean?

Electric/Auxiliary Transmission Fluid Pump B Motor Current. P276D indicates that the transmission control module has detected an abnormal current draw in the electrical circuit for the auxiliary transmission fluid pump B motor, which is used in many modern automatic transmissions to maintain fluid pressure during engine stop-start events. The computer monitors the current through the pump motor and sets this code when the current is outside the expected range, either too high or too low, indicating a fault in the motor, its wiring, or the control circuit.

DTC codes / P27xx · Transmission / P276D

P276DElectric/Auxiliary Transmission Fluid Pump B Motor Current

P276D indicates that the transmission control module has detected an abnormal current draw in the electrical circuit for the auxiliary transmission fluid pump B motor, which is used in many modern automatic transmissions to maintain fluid pressure during engine stop-start events. The computer monitors the current through the pump motor and sets this code when the current is outside the expected range, either too high or too low, indicating a fault in the motor, its wiring, or the control circuit.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyProfessional

AreaTransmission

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.