Circuit/System Verification

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Since most occurrences of this DTC are caused by excessive brake usage, review with the customer the conditions under which the DTC set.

Allow the brakes to cool down before performing test.
Verify that no other DTCs are set.
- If any other DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If no other DTCs are set
Verify DTC C027C does not set while driving the vehicle under normal braking conditions. Refer to Brake System Vehicle Road Test .
- If the DTC sets
  Replace the K17 Electronic Brake Control Module.
- If the DTC does not set
All OK.