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 ID | PIP5943 |
| Manufacturer | CADILLAC |
| Models | ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE, EXPRESS, EXPRESS 3500, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO LT, YUKON |
| Model Years | 2015–2024 |
| Date Issued | October 19, 2023 |
| Date Added to NHTSA | December 4, 2023 |
| Component | POWER TRAIN |
| Vehicles Affected | 158 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
| Make | Model | Year | Component |
|---|---|---|---|
| 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
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.