Electrical system
Chevrolet technical service bulletin PIT5529 for 2014 Chevrolet Silverado 1500, 2014 GMC Sierra 1500 and 2017 Chevrolet Silverado and others.
- Bulletin number
- PIT5529
- Component
- Electrical system
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that have Trailer connection not recognized or ?Check Trailer wiring? or ?Service Trailer Brake? message. Technician may find Diagnostic Trouble Codes C1112, C1113, C1114, C111B, U1556, and/or U1505. Technician will need to inspect the Trailer Brake Power Module connector for corroded terminals and replace as necessary.
Owners of these vehicles have filed 587 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
- Chevrolet Silverado 2017 2017
- Chevrolet Silverado 2500 2015-2016 20152016
- GMC Sierra 2017 2017
- GMC Sierra 2500 2015-2016 20152016
- GMC Sierra Denali 2015-2016 20152016
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