- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 55 days ago
- March 4: GM to Replace Engines in 2023 Colorado, Silverado 1500, GMC Sierra 1500 news | 61 days ago
- February 7: GM Power Tailgate Recall Involves Chevrolet and GMC Trucks recalls | 87 days ago
GMC TSB #PIT4366G
2009 GMC Yukon
TSB Document:
Affected Component: TRAILER HITCHES
- Summary
- This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have an intermittent "Check Trailer Wiring" message on the Driver Information Center. Technician will inspect and clean the ground wire (normally white wire) connection on the trailer side of the 7-pin connector. Inspect that the wires inside the trailer side connector are clean and securely fastened. If the vehicle's 7-way connector socket terminals are deformed or have excessive wear, it will be necessary to replace the truck side connector from General Motors Customer Care and Aftersales along with the trailer's 7-way connector plug.
Click a tab for more information.