Conditions for Setting the DTC

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

C0131 00

The electronic brake control module detects the brake pressure is out of the specified range.

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.