Electrical system: integrated trailer brake control
Chevrolet technical service bulletin PIT5529A for 2014-2018 Chevrolet Silverado 1500, 2015-2018 Chevrolet Tahoe and 2014-2018 GMC Sierra 1500 and others.
- Bulletin number
- PIT5529A
- Component
- Electrical system: integrated trailer brake control
- 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 battery and Trailer Brake Power Module connector for corroded terminals and replace as necessary.
Owners of these vehicles have filed 1,884 complaints in the electrical category.
Vehicles covered
- Chevrolet Silverado 1500 2014-2018 20142015201620172018
- Chevrolet Tahoe 2015-2018 2015201620172018
- GMC Sierra 1500 2014-2018 20142015201620172018
- Chevrolet Suburban 2015-2018 2015201620172018
- GMC Yukon 2015-2018 2015201620172018
- Chevrolet Silverado 2500 2015-2018 2015201620172018
- GMC Sierra 2500 2015-2018 2015201620172018
- Chevrolet Silverado 3500 2015-2018 2015201620172018
- GMC Sierra 3500 2015-2018 2015201620172018
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