Electrical system: integrated trailer brake control
Chevrolet technical service bulletin PIT5311D for 2014 Chevrolet Silverado 1500, 2015-2018 Chevrolet Tahoe and 2014-2016 GMC Sierra 1500 and others.
- Bulletin number
- PIT5311D
- Component
- Electrical system: integrated trailer brake control
- 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" or "Service Trailer Brake" 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 with part number 23404450.
Owners of these vehicles have filed 1,205 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- Chevrolet Tahoe 2015-2018 2015201620172018
- GMC Sierra 1500 2014-2016 201420152016
- Chevrolet Silverado 2017 2017
- Chevrolet Suburban 2015-2018 2015201620172018
- GMC Yukon 2015-2018 2015201620172018
- Chevrolet Silverado 2500 2015-2016, 2018 201520162018
- GMC Sierra 2017 2017
- GMC Sierra 3500 2018 2018
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