Chevrolet C128B: Master Cylinder Pressure Sensor Above Maximum Threshold
Is your scanner showing Chevrolet C128B?
No worries. We'll show you what it means and how to deal with it.
Chevrolet C128B: Master Cylinder Pressure Sensor Above Maximum Threshold
OVERVIEWWhat Does The Chevrolet C128B Code Mean?
The ignition is ON. Ignition voltage is greater than 10 volts. The brake pedal is not applied.
What Are The Potential Causes Of The Chevrolet C128B Code?
- Internal sensor failure is detected.
- Improper relearn performed.
- A short to battery is detected on the sensor signal circuit.
- A short to ground or open is detected signal circuit.
- 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
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
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 562.
