BUICK, CHEVROLET · 2017-10-02
This Technical bulletin provides a procedure to install a twisted 3 jumper harness to address a Service AWD Message on DIC with DTCs C1266 or C1267.
C1267 · Manufacturer communications
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
C1267 ← What does this code mean?2 Results
BUICK, CHEVROLET · 2017-10-01
Service AWD Message Displayed on Driver Information Center (DIC) - DTCs C1266 and/or C1267Set Condition Some customers may comment that the service AWD message is on the DIC. The technician may find one or more of the following DTCs set: • C1266 • C1267 Cause This condition may be caused by an electromagnetic interference from adjacent circuits to the AWD control harness. Correction Install a twisted 3 jumper wiring harness between the engine to body harness electrical connector to the Power Transfer Unit (PTU) electrical connector for AWD control circuit