DTC P0872 GMC
Steering Lock Unit communication error (System ID)
Steering Lock Unit communication error (System ID)
Description
When the ignition push switch is pressed, the steering lock unit communicates with KOS-ECU to unlock the IG knob. However, if there is a failure, the DTC is set. Steering lock unit communication error (system ID) or received system ID error.
Cause and Solution
Malfunction of the key reminder switch (integrated into the steering lock unit) Wiring harness or connector failure of CAN bus line Malfunction of the KOS-ECU
Video Guide
Diagnostic Info
- DTC Code: P0872
- Brand: GMC