P0B0B

2017-10-10

Description:

  • Electric/Auxiliary Transmission Fluid Pump A Motor Supply Voltage Circuit High

Possible Symptoms:

  • Check the wiring and connections of the electric/auxiliary transmission fluid pump.

  • Test the motor supply voltage circuit for any open circuits.

  • Inspect the fuse related to the electric/auxiliary transmission fluid pump and replace if necessary.

  • Verify that the motor supply voltage is reaching the electric/auxiliary transmission fluid pump.

  • Replace the electric/auxiliary transmission fluid pump if all other solutions fail.

Possible Causes:

  • Loose or corroded electrical connections in the auxiliary/transmission fluid pump

  • Faulty auxiliary/transmission fluid pump motor

  • Blown fuse in the motor supply voltage circuit

  • Damaged or faulty wiring in the motor supply voltage circuit

  • Malfunctioning control module regulating the motor supply voltage

Related Parts:

Possible Solutions:

  • Erratic shifting or slipping of gears

  • Delayed or harsh shifting of gears

  • Illuminated check engine light

  • Stalling or hesitation during acceleration

  • Loss of power or reduced performance

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