P0B01 - OBD II Trouble Code

Our automotive experts have put together the following information about the P0B01 diagnostic trouble code. We've provided the common symptoms that occur when this code is set along with the frequent repairs that address the issues related to the P0B01 code.

OBD II Fault Code

• OBD II P0B01

OBD-II Code Vehicle will not operate is defined as a AUXILIARY Transmission Fluid Pump Motor Phase U Current Low

The Power Inverter Module controls the current flow to the auxiliary transmission fluid pump. This pump pressurises the fluid in the transmission, allowing it to change gears. If the Power Inverter Module detects an incorrect amount of current in the system, code P0B01 will set.The current is controlled and contained within the Power Inverter Module.

Vehicle will not operate Symptoms

• Vehicle will not operate

Common Problems That Trigger the P0B01 Code

• Power inverter module failure
• Power inverter module software needs to be updated