TSB: CADILLAC ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE, EXPRESS, EXPRESS 3500, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO LT, YUKON (2015–2024)

Bulletin PIP5943 — October 19, 2023

Bulletin Details

Bulletin IDPIP5943
ManufacturerCADILLAC
ModelsATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE, EXPRESS, EXPRESS 3500, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO LT, YUKON
Model Years2015–2024
Date IssuedOctober 19, 2023
Date Added to NHTSADecember 4, 2023
ComponentPOWER TRAIN
Vehicles Affected158 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 advises the technician on diagnostic aids to help with the diagnosis and repair of 8 Speed Transmissions

Affected Vehicles

MakeModelYearComponent
CADILLAC CT4 2024 100000 POWER TRAIN
CADILLAC CT4 2024 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2023 100000 POWER TRAIN
CHEVROLET CAMARO 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2023 100000 POWER TRAIN
GMC CANYON 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2023 100000 POWER TRAIN
CHEVROLET COLORADO 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT4 2023 100000 POWER TRAIN
CADILLAC CT4 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 3500 2023 100000 POWER TRAIN
CHEVROLET EXPRESS 3500 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2023 100000 POWER TRAIN
GMC SIERRA 1500 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2023 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2023 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2022 100000 POWER TRAIN
CHEVROLET CAMARO 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2022 100000 POWER TRAIN
GMC CANYON 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2022 100000 POWER TRAIN
CHEVROLET COLORADO 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT4 2022 100000 POWER TRAIN
CADILLAC CT4 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2022 100000 POWER TRAIN
CHEVROLET EXPRESS 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2022 100000 POWER TRAIN
GMC SIERRA 1500 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2022 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2022 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2021 100000 POWER TRAIN
CHEVROLET CAMARO 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2021 100000 POWER TRAIN
GMC CANYON 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2021 100000 POWER TRAIN
CHEVROLET COLORADO 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT4 2021 100000 POWER TRAIN
CADILLAC CT4 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2021 100000 POWER TRAIN
CHEVROLET EXPRESS 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2021 100000 POWER TRAIN
GMC SIERRA 1500 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2021 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2021 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2020 100000 POWER TRAIN
CHEVROLET CAMARO 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2020 100000 POWER TRAIN
GMC CANYON 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2020 100000 POWER TRAIN
CHEVROLET COLORADO 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT4 2020 100000 POWER TRAIN
CADILLAC CT4 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2020 100000 POWER TRAIN
CADILLAC ESCALADE 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2020 100000 POWER TRAIN
CHEVROLET EXPRESS 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2020 100000 POWER TRAIN
GMC SIERRA 1500 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2020 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2020 100000 POWER TRAIN
GMC YUKON 2020 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ATS 2019 100000 POWER TRAIN
CADILLAC ATS 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2019 100000 POWER TRAIN
CHEVROLET CAMARO 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2019 100000 POWER TRAIN
GMC CANYON 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2019 100000 POWER TRAIN
CHEVROLET COLORADO 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CTS 2019 100000 POWER TRAIN
CADILLAC CTS 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2019 100000 POWER TRAIN
CADILLAC ESCALADE 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2019 100000 POWER TRAIN
CHEVROLET EXPRESS 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2019 100000 POWER TRAIN
GMC SIERRA 1500 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2019 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2019 100000 POWER TRAIN
GMC YUKON 2019 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ATS 2018 100000 POWER TRAIN
CADILLAC ATS 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2018 100000 POWER TRAIN
CHEVROLET CAMARO 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2018 100000 POWER TRAIN
GMC CANYON 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2018 100000 POWER TRAIN
CHEVROLET COLORADO 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CORVETTE 2018 100000 POWER TRAIN
CHEVROLET CORVETTE 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT6 2018 100000 POWER TRAIN
CADILLAC CT6 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CTS 2018 100000 POWER TRAIN
CADILLAC CTS 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2018 100000 POWER TRAIN
CADILLAC ESCALADE 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2018 100000 POWER TRAIN
CHEVROLET EXPRESS 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2018 100000 POWER TRAIN
GMC SIERRA 1500 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO LT 2018 100000 POWER TRAIN
CHEVROLET SILVERADO LT 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2018 100000 POWER TRAIN
GMC YUKON 2018 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ATS 2017 100000 POWER TRAIN
CADILLAC ATS 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2017 100000 POWER TRAIN
CHEVROLET CAMARO 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC CANYON 2017 100000 POWER TRAIN
GMC CANYON 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET COLORADO 2017 100000 POWER TRAIN
CHEVROLET COLORADO 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CORVETTE 2017 100000 POWER TRAIN
CHEVROLET CORVETTE 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT6 2017 100000 POWER TRAIN
CADILLAC CT6 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CTS 2017 100000 POWER TRAIN
CADILLAC CTS 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2017 100000 POWER TRAIN
CADILLAC ESCALADE 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET EXPRESS 2017 100000 POWER TRAIN
CHEVROLET EXPRESS 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 1500 2017 100000 POWER TRAIN
GMC SIERRA 1500 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 1500 2017 100000 POWER TRAIN
CHEVROLET SILVERADO 1500 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2017 100000 POWER TRAIN
GMC YUKON 2017 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ATS 2016 100000 POWER TRAIN
CADILLAC ATS 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CAMARO 2016 100000 POWER TRAIN
CHEVROLET CAMARO 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CORVETTE 2016 100000 POWER TRAIN
CHEVROLET CORVETTE 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CT6 2016 100000 POWER TRAIN
CADILLAC CT6 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC CTS 2016 100000 POWER TRAIN
CADILLAC CTS 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2016 100000 POWER TRAIN
CADILLAC ESCALADE 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 2500 2016 100000 POWER TRAIN
GMC SIERRA 2500 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 2500 2016 100000 POWER TRAIN
CHEVROLET SILVERADO 2500 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2016 100000 POWER TRAIN
GMC YUKON 2016 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET CORVETTE 2015 100000 POWER TRAIN
CHEVROLET CORVETTE 2015 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CADILLAC ESCALADE 2015 100000 POWER TRAIN
CADILLAC ESCALADE 2015 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC SIERRA 2500 2015 100000 POWER TRAIN
GMC SIERRA 2500 2015 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
CHEVROLET SILVERADO 2500 2015 100000 POWER TRAIN
CHEVROLET SILVERADO 2500 2015 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)
GMC YUKON 2015 100000 POWER TRAIN
GMC YUKON 2015 354800 EQUIPMENT:MECHANICAL:POWER TAKE-OFF (PTO)

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 (PIP5943) 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.