DTC P1653 Chevrolet
Drivers MPCS Unit Lost Communication with MICU (DOORSW Message
Drivers MPCS Unit Lost Communication with MICU (DOORSW Message
Description
Poor communication between the Drivers MPCS Unit and the MICU. (Door switch malfunction) NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A.
Cause and Solution
Loose or poor connections between the drivers MPCS unit and the MICU Open or Short to ground Faulty MICU, replace the under-dash fuse relay box Faulty Drivers MPCS unit
Video Guide
Diagnostic Info
- DTC Code: P1653
- Brand: Chevrolet