TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Buick for this TSB. Call your local Buick dealer's service department & ask for a copy of TSB# 17-NA-313.

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary

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

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