TSB: CHEVROLET SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2014–2020)

Bulletin PIT5311F — June 29, 2020

Bulletin Details

Bulletin IDPIT5311F
ManufacturerCHEVROLET
ModelsSIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL
Model Years2014–2020
Date IssuedJune 29, 2020
Date Added to NHTSAAugust 10, 2020
ComponentELECTRICAL SYSTEM:WIRING
Vehicles Affected98 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

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

Affected Vehicles

MakeModelYearComponent
CHEVROLET SUBURBAN 2020 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2020 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET TAHOE 2020 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2020 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2020 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON 2020 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2020 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2020 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 2500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 2500 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 3500 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 3500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2019 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 2500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 2500 2019 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 3500 2019 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 3500 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2019 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET TAHOE 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2019 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2019 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2018 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2018 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 1500 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2018 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SUBURBAN 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2018 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET TAHOE 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON 2018 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2018 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI XL 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI XL 2018 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2018 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2018 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2017 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 1500 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2017 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SUBURBAN 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2017 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET TAHOE 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2017 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON 2017 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2017 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI XL 2017 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI XL 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2017 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2017 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2016 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SUBURBAN 2016 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SUBURBAN 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI XL 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI XL 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2016 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2016 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2015 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 1500 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2015 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SUBURBAN 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SUBURBAN 2015 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET TAHOE 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET TAHOE 2015 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON 2015 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI 2015 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON DENALI XL 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON DENALI XL 2015 114000 ELECTRICAL SYSTEM:WIRING
GMC YUKON XL 2015 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC YUKON XL 2015 114000 ELECTRICAL SYSTEM:WIRING
GMC SIERRA 1500 2014 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
GMC SIERRA 1500 2014 114000 ELECTRICAL SYSTEM:WIRING
CHEVROLET SILVERADO 1500 2014 114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
CHEVROLET SILVERADO 1500 2014 114000 ELECTRICAL SYSTEM:WIRING

Related CHEVROLET Recalls

CampaignModelYearComponentSummary
MALIBU 2025 BACK OVER PREVENTION: SENSING SYSTEM:... General Motors, LLC (GM) is recalling certain 2023-2025 Chevrolet Malibu vehi...
MALIBU 2024 BACK OVER PREVENTION: SENSING SYSTEM:... General Motors, LLC (GM) is recalling certain 2023-2025 Chevrolet Malibu vehi...
MALIBU 2023 BACK OVER PREVENTION: SENSING SYSTEM:... General Motors, LLC (GM) is recalling certain 2023-2025 Chevrolet Malibu vehi...
CORVETTE COUPE 2026 EXTERIOR LIGHTING:LIGHTING CONTROL MO... General Motors, LLC (GM) is recalling certain 2026 Chevrolet Corvette ZR1X Co...
CORVETTE COUPE 2026 EXTERIOR LIGHTING:TURN SIGNAL General Motors, LLC (GM) is recalling certain 2026 Chevrolet Corvette ZR1X Co...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CHEVROLET dealer. Bring this bulletin ID (PIT5311F) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.