Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

C0131 00

The electronic brake control module detects an invalid or erratic brake pressure sensor signal.

C0131 1A

The offset value of the pressure sensor is out of the specified range.

C0131 3B

The brake pressure sensor is not calibrated.

C0131 5A

The brake pressure sensor offset is out of the specified range.
The electronic brake control module detected an invalid or erratic brake pressure.
The brake pressure is not plausible with the vehicle acceleration or deceleration.