TSB: CADILLAC CANYON, COLORADO, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON XL (2014–2024)

Bulletin PIT5509K — May 22, 2023

Bulletin Details

Bulletin IDPIT5509K
ManufacturerCADILLAC
ModelsCANYON, COLORADO, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON XL
Model Years2014–2024
Date IssuedMay 22, 2023
Date Added to NHTSAJune 13, 2023
ComponentELECTRICAL SYSTEM
Vehicles Affected228 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 how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a

Affected Vehicles

MakeModelYearComponent
GMC CANYON 2024 110000 ELECTRICAL SYSTEM
GMC CANYON 2024 140000 AIR BAGS
GMC CANYON 2024 210000 TRAILER HITCHES
CHEVROLET COLORADO 2024 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2024 140000 AIR BAGS
CHEVROLET COLORADO 2024 210000 TRAILER HITCHES
CADILLAC ESCALADE 2024 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE 2024 140000 AIR BAGS
CADILLAC ESCALADE 2024 210000 TRAILER HITCHES
GMC SIERRA 3500 2024 110000 ELECTRICAL SYSTEM
GMC SIERRA 3500 2024 140000 AIR BAGS
GMC SIERRA 3500 2024 210000 TRAILER HITCHES
CHEVROLET SILVERADO EV 2024 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO EV 2024 140000 AIR BAGS
CHEVROLET SILVERADO EV 2024 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2024 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2024 140000 AIR BAGS
CHEVROLET SUBURBAN 2024 210000 TRAILER HITCHES
CHEVROLET TAHOE 2024 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2024 140000 AIR BAGS
CHEVROLET TAHOE 2024 210000 TRAILER HITCHES
GMC YUKON 2024 110000 ELECTRICAL SYSTEM
GMC YUKON 2024 140000 AIR BAGS
GMC YUKON 2024 210000 TRAILER HITCHES
GMC CANYON 2023 110000 ELECTRICAL SYSTEM
GMC CANYON 2023 140000 AIR BAGS
GMC CANYON 2023 210000 TRAILER HITCHES
CHEVROLET COLORADO 2023 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2023 140000 AIR BAGS
CHEVROLET COLORADO 2023 210000 TRAILER HITCHES
CADILLAC ESCALADE ESV 2023 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2023 140000 AIR BAGS
CADILLAC ESCALADE ESV 2023 210000 TRAILER HITCHES
GMC SIERRA 1500 2023 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2023 140000 AIR BAGS
GMC SIERRA 1500 2023 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2023 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2023 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2023 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2023 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2023 140000 AIR BAGS
CHEVROLET SUBURBAN 2023 210000 TRAILER HITCHES
CHEVROLET TAHOE 2023 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2023 140000 AIR BAGS
CHEVROLET TAHOE 2023 210000 TRAILER HITCHES
GMC YUKON XL 2023 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2023 140000 AIR BAGS
GMC YUKON XL 2023 210000 TRAILER HITCHES
GMC CANYON 2022 110000 ELECTRICAL SYSTEM
GMC CANYON 2022 140000 AIR BAGS
GMC CANYON 2022 210000 TRAILER HITCHES
CHEVROLET COLORADO 2022 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2022 140000 AIR BAGS
CHEVROLET COLORADO 2022 210000 TRAILER HITCHES
CADILLAC ESCALADE ESV 2022 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2022 140000 AIR BAGS
CADILLAC ESCALADE ESV 2022 210000 TRAILER HITCHES
GMC SIERRA 1500 2022 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2022 140000 AIR BAGS
GMC SIERRA 1500 2022 210000 TRAILER HITCHES
CHEVROLET SILVERADO 2500 2022 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2022 140000 AIR BAGS
CHEVROLET SILVERADO 2500 2022 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2022 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2022 140000 AIR BAGS
CHEVROLET SUBURBAN 2022 210000 TRAILER HITCHES
CHEVROLET TAHOE 2022 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2022 140000 AIR BAGS
CHEVROLET TAHOE 2022 210000 TRAILER HITCHES
GMC YUKON XL 2022 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2022 140000 AIR BAGS
GMC YUKON XL 2022 210000 TRAILER HITCHES
GMC CANYON 2021 110000 ELECTRICAL SYSTEM
GMC CANYON 2021 140000 AIR BAGS
GMC CANYON 2021 210000 TRAILER HITCHES
CHEVROLET COLORADO 2021 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2021 140000 AIR BAGS
CHEVROLET COLORADO 2021 210000 TRAILER HITCHES
CADILLAC ESCALADE ESV 2021 110000 ELECTRICAL SYSTEM
CADILLAC ESCALADE ESV 2021 140000 AIR BAGS
CADILLAC ESCALADE ESV 2021 210000 TRAILER HITCHES
GMC SIERRA 1500 2021 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2021 140000 AIR BAGS
GMC SIERRA 1500 2021 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2021 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2021 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2021 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2021 140000 AIR BAGS
CHEVROLET SUBURBAN 2021 210000 TRAILER HITCHES
CHEVROLET TAHOE 2021 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2021 140000 AIR BAGS
CHEVROLET TAHOE 2021 210000 TRAILER HITCHES
GMC YUKON XL 2021 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2021 140000 AIR BAGS
GMC YUKON XL 2021 210000 TRAILER HITCHES
GMC CANYON 2020 110000 ELECTRICAL SYSTEM
GMC CANYON 2020 140000 AIR BAGS
GMC CANYON 2020 210000 TRAILER HITCHES
CHEVROLET COLORADO 2020 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2020 140000 AIR BAGS
CHEVROLET COLORADO 2020 210000 TRAILER HITCHES
GMC SIERRA 2500 2020 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2020 140000 AIR BAGS
GMC SIERRA 2500 2020 210000 TRAILER HITCHES
CHEVROLET SILVERADO 2500 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2020 140000 AIR BAGS
CHEVROLET SILVERADO 2500 2020 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2020 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2020 140000 AIR BAGS
CHEVROLET SUBURBAN 2020 210000 TRAILER HITCHES
CHEVROLET TAHOE 2020 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2020 140000 AIR BAGS
CHEVROLET TAHOE 2020 210000 TRAILER HITCHES
GMC YUKON XL 2020 110000 ELECTRICAL SYSTEM
GMC YUKON XL 2020 140000 AIR BAGS
GMC YUKON XL 2020 210000 TRAILER HITCHES
GMC CANYON 2019 110000 ELECTRICAL SYSTEM
GMC CANYON 2019 140000 AIR BAGS
GMC CANYON 2019 210000 TRAILER HITCHES
CHEVROLET COLORADO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2019 140000 AIR BAGS
CHEVROLET COLORADO 2019 210000 TRAILER HITCHES
GMC SIERRA 1500 2019 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2019 140000 AIR BAGS
GMC SIERRA 1500 2019 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2019 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2019 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2019 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2019 140000 AIR BAGS
CHEVROLET SUBURBAN 2019 210000 TRAILER HITCHES
CHEVROLET TAHOE 2019 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2019 140000 AIR BAGS
CHEVROLET TAHOE 2019 210000 TRAILER HITCHES
GMC YUKON DENALI 2019 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2019 140000 AIR BAGS
GMC YUKON DENALI 2019 210000 TRAILER HITCHES
GMC CANYON 2018 110000 ELECTRICAL SYSTEM
GMC CANYON 2018 140000 AIR BAGS
GMC CANYON 2018 210000 TRAILER HITCHES
CHEVROLET COLORADO 2018 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2018 140000 AIR BAGS
CHEVROLET COLORADO 2018 210000 TRAILER HITCHES
GMC SIERRA 1500 2018 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2018 140000 AIR BAGS
GMC SIERRA 1500 2018 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2018 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2018 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2018 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2018 140000 AIR BAGS
CHEVROLET SUBURBAN 2018 210000 TRAILER HITCHES
CHEVROLET TAHOE 2018 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2018 140000 AIR BAGS
CHEVROLET TAHOE 2018 210000 TRAILER HITCHES
GMC YUKON DENALI 2018 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2018 140000 AIR BAGS
GMC YUKON DENALI 2018 210000 TRAILER HITCHES
GMC CANYON 2017 110000 ELECTRICAL SYSTEM
GMC CANYON 2017 140000 AIR BAGS
GMC CANYON 2017 210000 TRAILER HITCHES
CHEVROLET COLORADO 2017 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2017 140000 AIR BAGS
CHEVROLET COLORADO 2017 210000 TRAILER HITCHES
GMC SIERRA 1500 2017 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2017 140000 AIR BAGS
GMC SIERRA 1500 2017 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2017 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2017 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2017 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2017 140000 AIR BAGS
CHEVROLET SUBURBAN 2017 210000 TRAILER HITCHES
CHEVROLET TAHOE 2017 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2017 140000 AIR BAGS
CHEVROLET TAHOE 2017 210000 TRAILER HITCHES
GMC YUKON DENALI 2017 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2017 140000 AIR BAGS
GMC YUKON DENALI 2017 210000 TRAILER HITCHES
GMC CANYON 2016 110000 ELECTRICAL SYSTEM
GMC CANYON 2016 140000 AIR BAGS
GMC CANYON 2016 210000 TRAILER HITCHES
CHEVROLET COLORADO 2016 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2016 140000 AIR BAGS
CHEVROLET COLORADO 2016 210000 TRAILER HITCHES
GMC SIERRA 2500 2016 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2016 140000 AIR BAGS
GMC SIERRA 2500 2016 210000 TRAILER HITCHES
CHEVROLET SILVERADO 2500 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2016 140000 AIR BAGS
CHEVROLET SILVERADO 2500 2016 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2016 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2016 140000 AIR BAGS
CHEVROLET SUBURBAN 2016 210000 TRAILER HITCHES
CHEVROLET TAHOE 2016 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2016 140000 AIR BAGS
CHEVROLET TAHOE 2016 210000 TRAILER HITCHES
GMC YUKON DENALI 2016 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2016 140000 AIR BAGS
GMC YUKON DENALI 2016 210000 TRAILER HITCHES
GMC CANYON 2015 110000 ELECTRICAL SYSTEM
GMC CANYON 2015 140000 AIR BAGS
GMC CANYON 2015 210000 TRAILER HITCHES
CHEVROLET COLORADO 2015 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2015 140000 AIR BAGS
CHEVROLET COLORADO 2015 210000 TRAILER HITCHES
GMC SIERRA 2500 2015 110000 ELECTRICAL SYSTEM
GMC SIERRA 2500 2015 140000 AIR BAGS
GMC SIERRA 2500 2015 210000 TRAILER HITCHES
CHEVROLET SILVERADO 2500 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 2500 2015 140000 AIR BAGS
CHEVROLET SILVERADO 2500 2015 210000 TRAILER HITCHES
CHEVROLET SUBURBAN 2015 110000 ELECTRICAL SYSTEM
CHEVROLET SUBURBAN 2015 140000 AIR BAGS
CHEVROLET SUBURBAN 2015 210000 TRAILER HITCHES
CHEVROLET TAHOE 2015 110000 ELECTRICAL SYSTEM
CHEVROLET TAHOE 2015 140000 AIR BAGS
CHEVROLET TAHOE 2015 210000 TRAILER HITCHES
GMC YUKON DENALI 2015 110000 ELECTRICAL SYSTEM
GMC YUKON DENALI 2015 140000 AIR BAGS
GMC YUKON DENALI 2015 210000 TRAILER HITCHES
GMC SIERRA 1500 2014 110000 ELECTRICAL SYSTEM
GMC SIERRA 1500 2014 140000 AIR BAGS
GMC SIERRA 1500 2014 210000 TRAILER HITCHES
CHEVROLET SILVERADO 1500 2014 110000 ELECTRICAL SYSTEM
CHEVROLET SILVERADO 1500 2014 140000 AIR BAGS
CHEVROLET SILVERADO 1500 2014 210000 TRAILER HITCHES

Related CADILLAC Recalls

CampaignModelYearComponentSummary
CTS 2016 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
ATS 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
ESCALADE 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
SRX 2015 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...
SRX 2016 AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR... General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalad...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CADILLAC dealer. Bring this bulletin ID (PIT5509K) 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.