P06B4 OBD-II: Sensor Power Supply "B" Circuit Low
Get diagnosis and repair information for trouble code P06B4
OBD II Fault Code
- OBD II P06B4
OBD-II Code Powertrain Control Module (PCM) failure is defined as a Sensor Power Supply "B" Circuit Low
The engine computer (PCM) supplies power to all the sensors on the vehicle. If there is a problem with the power supply to the sensors, code P06B4 will be set.
Common Problems That Trigger the P06B4 Code
- Powertrain Control Module (PCM) failure
- Wiring issue
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