DTC P1272 Chevrolet
Relay Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)
Relay Control Module Lost Communication with Combination Switch Control Unit (WIPSW Message)
Description
Poor communication between Relat Control Module and the Combination Switch Control Unit (WIPSW Message).
Cause and Solution
If DTCs B1007, B1062, B1063, B1155, B1156, B1957, B1958, and B2969 all indicated perform the combination switch control unit input test. Loose or poor connections between the Relay Control Unit and the Combination Control Unit. Blown fuse in the main under-hood fuse box Blown fuse in the under-dash fuse relay box Open or Short to ground at the Relay Control Unit Open or Short to ground at the Combination Control Unit. Faulty Relay Control Unit Faulty Combination Control Unit
Video Guide
Diagnostic Info
- DTC Code: P1272
- Brand: Chevrolet