C0131 3A or 4B
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Verify DTC C0131 3A or 4B is not set.
- If DTC is set, perform the special function, Brake Pressure Sensor Calibration. If the DTC resets replace EBCM/BPMV assembly.