TSB: CHEVROLET CANYON, COLORADO, EXPRESS, SAVANA (2016-2022)

Bulletin 16NA325 - September 6, 2017

Bulletin Details

Bulletin ID16NA325
ManufacturerCHEVROLET
ModelsCANYON, COLORADO, EXPRESS, SAVANA
Model Years2016-2022
Date IssuedSeptember 6, 2017
Date Added to NHTSAMay 31, 2022
ComponentENGINE (PWS)
Vehicles Affected152 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 technical bulletin provides a procedure on how to properly identify if there is any aftermarket calibrations loaded on the ECM or and detection of a power up hardware installed.

Affected Vehicles

MakeModelYearComponent
GMC CANYON 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2022 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2022 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2022 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2022 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2022 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2022 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2021 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2021 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2021 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2020 110000 ELECTRICAL SYSTEM
GMC CANYON 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2020 350000 EQUIPMENT
GMC CANYON 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2020 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2020 350000 EQUIPMENT
CHEVROLET COLORADO 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2020 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2020 350000 EQUIPMENT
CHEVROLET EXPRESS 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2020 110000 ELECTRICAL SYSTEM
GMC SAVANA 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2020 350000 EQUIPMENT
GMC SAVANA 2020 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2020 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2020 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2019 110000 ELECTRICAL SYSTEM
GMC CANYON 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2019 350000 EQUIPMENT
GMC CANYON 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2019 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2019 350000 EQUIPMENT
CHEVROLET COLORADO 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2019 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2019 350000 EQUIPMENT
CHEVROLET EXPRESS 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2019 110000 ELECTRICAL SYSTEM
GMC SAVANA 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2019 350000 EQUIPMENT
GMC SAVANA 2019 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2019 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2019 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2018 100000 POWER TRAIN
GMC CANYON 2018 060000 ENGINE (PWS)
GMC CANYON 2018 110000 ELECTRICAL SYSTEM
GMC CANYON 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2018 350000 EQUIPMENT
GMC CANYON 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2018 100000 POWER TRAIN
CHEVROLET COLORADO 2018 060000 ENGINE (PWS)
CHEVROLET COLORADO 2018 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2018 350000 EQUIPMENT
CHEVROLET COLORADO 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2018 100000 POWER TRAIN
CHEVROLET EXPRESS 2018 060000 ENGINE (PWS)
CHEVROLET EXPRESS 2018 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2018 350000 EQUIPMENT
CHEVROLET EXPRESS 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2018 100000 POWER TRAIN
GMC SAVANA 2018 060000 ENGINE (PWS)
GMC SAVANA 2018 110000 ELECTRICAL SYSTEM
GMC SAVANA 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2018 350000 EQUIPMENT
GMC SAVANA 2018 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2018 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2018 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2017 100000 POWER TRAIN
GMC CANYON 2017 060000 ENGINE (PWS)
GMC CANYON 2017 110000 ELECTRICAL SYSTEM
GMC CANYON 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2017 350000 EQUIPMENT
GMC CANYON 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2017 100000 POWER TRAIN
CHEVROLET COLORADO 2017 060000 ENGINE (PWS)
CHEVROLET COLORADO 2017 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2017 350000 EQUIPMENT
CHEVROLET COLORADO 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET EXPRESS 2017 100000 POWER TRAIN
CHEVROLET EXPRESS 2017 060000 ENGINE (PWS)
CHEVROLET EXPRESS 2017 110000 ELECTRICAL SYSTEM
CHEVROLET EXPRESS 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2017 350000 EQUIPMENT
CHEVROLET EXPRESS 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET EXPRESS 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET EXPRESS 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC SAVANA 2017 100000 POWER TRAIN
GMC SAVANA 2017 060000 ENGINE (PWS)
GMC SAVANA 2017 110000 ELECTRICAL SYSTEM
GMC SAVANA 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2017 350000 EQUIPMENT
GMC SAVANA 2017 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC SAVANA 2017 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC SAVANA 2017 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
GMC CANYON 2016 100000 POWER TRAIN
GMC CANYON 2016 060000 ENGINE (PWS)
GMC CANYON 2016 110000 ELECTRICAL SYSTEM
GMC CANYON 2016 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2016 350000 EQUIPMENT
GMC CANYON 2016 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
GMC CANYON 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
GMC CANYON 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
CHEVROLET COLORADO 2016 100000 POWER TRAIN
CHEVROLET COLORADO 2016 060000 ENGINE (PWS)
CHEVROLET COLORADO 2016 110000 ELECTRICAL SYSTEM
CHEVROLET COLORADO 2016 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2016 350000 EQUIPMENT
CHEVROLET COLORADO 2016 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
CHEVROLET COLORADO 2016 356000 EQUIPMENT ADAPTIVE/MOBILITY
CHEVROLET COLORADO 2016 061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

Related CHEVROLET Recalls

CampaignModelYearComponentSummary
SILVERADO 2500 2025 TIRES:PRESSURE MONITORING AND REGULAT... General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Silverado 2...
SILVERADO 2500 2024 TIRES:PRESSURE MONITORING AND REGULAT... General Motors, LLC (GM) is recalling certain 2024-2025 Chevrolet Silverado 2...
SILVERADO EV 2026 TIRES:TEMPORARY/EMERGENCY SPARE TIRE General Motors, LLC (GM) is recalling certain 2026 Chevrolet Silverado EV and...
SILVERADO EV 2026 ELECTRICAL SYSTEM:PROPULSION SYSTEM:T... General Motors, LLC is recalling certain 2026 Cadillac Escalade IQ, Escalade ...
EXPRESS 2026 STEERING General Motors, LLC (GM) is recalling certain 2025-2026 Express, and 2025-202...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized CHEVROLET dealer. Bring this bulletin ID (16NA325) 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.