DTC P0877 GMC
CAN Bus Communication Malfunction
CAN Bus Communication Malfunction
Description
Key on or engine running; then the module that set this code detected it could not establish communications on the CAN circuit more than 7 times without connecting. The controller area network (CAN) is a high-speed network for sharing data. The circuit co
Cause and Solution
Check for a loose connection at the EBCM, PCM or the TCMClass 2 circuit problem (one or more wires open or shorted)One or more modules on the CAN network is open, shorted to ground or shorted to power - refer to the CAN bus diagnostics.
Video Guide
Diagnostic Info
- DTC Code: P0877
- Brand: GMC