Chevrolet C120A: Brake Boost Regulation Pressure Sensor Plausibility Failure
Is your scanner showing Chevrolet C120A?
No worries. We'll show you what it means and how to deal with it.
Chevrolet C120A: Brake Boost Regulation Pressure Sensor Plausibility Failure
OVERVIEWWhat Does The Chevrolet C120A Code Mean?
Ignition ON. The ignition voltage is greater than 10 V.
What Are The Potential Causes Of The Chevrolet C120A Code?
- Internal sensor failure is detected.
- A short to battery is detected on the sensor signal circuit.
- A short to ground or open is detected signal circuit.
- The boost pressure being commanded is not being achieved.
- Signal is erratic and changes faster than physically allowed.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> KAIWEETS Digital Multimeter
>>> GM Genuine Parts 178-0857 Power Brake Booster Vacuum Sensor
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Chevrolet Volt Hybrid DTC – OBDG01 HYBRID Diagnostics Document, page 566.