Service bulletin 09-06-04-026Z
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11013069 |
| Published by NHTSA | 2025-01-23 |
| Manufacturer's number | 09-06-04-026Z |
| Manufacturer's date | 2025-01-09 |
| NHTSA component | ENGINE; POWER TRAIN; ELECTRICAL SYSTEM |
NHTSA's summary
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Engine, Transmission and driveline
| BRIGHTDROP 600 ELCV | 2023 |
|---|---|
| BRIGHTDROP ZEVO 600 | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| BUICK CASCADA | 2016, 2017, 2018, 2019 |
| BUICK ENCLAVE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| BUICK ENCORE | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| BUICK ENCORE | 2023 to 2025 |
| BUICK ENCORE GX | 2020, 2021, 2022, 2023, 2024, 2025 |
| BUICK ENVISION | 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| BUICK ENVISTA | 2024, 2025 |
| BUICK LACROSSE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| BUICK LACROSSE | 2020 |
| BUICK LESABRE | 2013 |
| BUICK LUCERNE | 2012 |
| BUICK REGAL | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK REGAL TOURX | 2018 |
| BUICK REGAL TOURX | 2020 |
| BUICK VERANO | 2012, 2013, 2014, 2015, 2016, 2017 |
| CADILLAC ATS | 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC ATS-V | 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CT4 | 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC CT5 | 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC CT6 | 2013 to 2015 |
| CADILLAC CT6 | 2016, 2017, 2018, 2019, 2020 |
| CADILLAC CT6 | 2021 |
| CADILLAC CTS | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC CTS-V | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CTS-V | 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CTS-V | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC DTS | 2012 |
| CADILLAC ESCALADE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC ESCALADE ESV | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE ESV | 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC ESCALADE EXT | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE HYBRID | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC LYRIQ | 2023 |
| CADILLAC SRX | 2012, 2013, 2014, 2015, 2016 |
| CADILLAC STS | 2012 |
| CADILLAC XT4 | 2018 |
| CADILLAC XT4 | 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC XT5 | 2013 to 2016 |
| CADILLAC XT5 | 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC XT6 | 2020, 2021, 2022, 2023, 2024, 2025 |
| CADILLAC XTS | 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC XTS | 2020 |
| CHEVROLET 3500 | 2014 to 2015 |
| CHEVROLET 6500 | 2019 |
| CHEVROLET AVALANCHE | 2012, 2013 |
| CHEVROLET AVALANCHE | 2014 |
| CHEVROLET AVALANCHE 1500 | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET AVALANCHE 2500 | 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET BLAZER | 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET CAMARO | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| CHEVROLET CAPRICE | 2012 to 2018 |
| CHEVROLET CAPRICE POLICE PURSUIT | 2012 to 2017 |
| CHEVROLET CAPTIVA | 2012 to 2018 |
| CHEVROLET CAPTIVA SPORT | 2012, 2013, 2014 |
| CHEVROLET CHEVEROLET SS | 2014 to 2017 |
| CHEVROLET CITY EXPRESS | 2015, 2016 |
| CHEVROLET CITY EXPRESS | 2018 |
| CHEVROLET COLORADO | 2012 |
| CHEVROLET COLORADO | 2013 to 2014 |
| CHEVROLET COLORADO | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET CORVETTE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET CORVETTE E-RAY | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CRUZE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET EQUINOX | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET EXPRESS | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| CHEVROLET EXPRESS | 2023 |
| CHEVROLET EXPRESS 1500 | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 4500 | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 4500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 4500 | 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS CUTAWAY VAN | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET G4500 | 2018 |
| CHEVROLET IMPALA | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET LUMINA | 2014 |
| CHEVROLET MALIBU | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET MALIBU ECO | 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET MALIBU HYBRID | 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 5500 | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2019 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 6500 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO LT | 2018 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SONIC | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET SPARK | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET SUBURBAN | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET SUBURBAN | 2024 |
| CHEVROLET SUBURBAN 1500 | 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET TAHOE HYBRID | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE POLICE PURSUIT | 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAILBLAZER | 2013 to 2015 |
| CHEVROLET TRAILBLAZER | 2017 to 2020 |
| CHEVROLET TRAILBLAZER | 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET TRAVERSE | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET TRAX | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| CHEVROLET duplicate SILVERADO 5500 | 2019 |
| GMC 3500HD | 2024 |
| GMC ACADIA | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| GMC CANYON | 2012, 2013 |
| GMC CANYON | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| GMC ENVOY | 2012 to 2013 |
| GMC G3500 | 2017 to 2018 |
| GMC SAVANA | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 |
| GMC SAVANA 1500 | 2012, 2013, 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 2500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 2500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 3500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 3500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA 3500 | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SAVANA CUTAWAY VAN | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 1500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 2500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA 3500 | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| GMC SIERRA DENALI | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| GMC TERRAIN | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| GMC YUKON | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| GMC YUKON DENALI | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON DENALI | 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON DENALI XL | 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON HYBRID | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL | 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 |
| GMC YUKON XL 1500 | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL 1500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| GMC YUKON XL 2500 | 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 26V289000 | 2026-05-07. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE) |
|---|---|
| 26V085000 | 2026-02-13. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE |
| 2026061 | 2026-02-12. Powertrain |
| 2026060 | 2026-02-12. Powertrain |
| 26V083000 | 2026-02-12. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY |
| 2025225 | 2025-04-24. Engine |
| 25V274000 | 2025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL |
| 2025118 | 2025-03-06. Powertrain |
| 25V148000 | 2025-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION |
| 24V937000 | 2024-12-18. FORWARD COLLISION AVOIDANCE: WARNINGS:EXTERNAL/PEDESTRIAN ALERT; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| N262570770-03 | 2026-10-16. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator. |
|---|---|
| N262576260 | 2026-10-15. Service campaign. General Motors has decided to conduct a Voluntary Emission Recall. Certain vehicles may have a condition that could cause a small exhaust leak at the catalytic converter inlet. Dealers are to replace the catalytic converter inlet clamp and to inspect the catalytic converter – replacing it if damage is observed. The repairs will be made at no charge to the customer. |
| N262570770-02 | 2026-09-25. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator. |
| N262570770-01 | 2026-09-18. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator. |
| N262570770 | 2026-09-15. Service campaign. Certain vehicles may have a condition in which the thermal break tabs induce stress into the radiator causing a coolant leak. Dealers are to cut the thermal break tabs on the radiator. |
| N242484750-02 | 2026-09-01. Warranty extension. Special Coverage. Certain 2022 model year Buick Encore GX and Chevrolet Trailblazer vehicles, equipped with a 1.2L engine, may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally, a message may be displayed indicating the vehicle’s available engine power is reduced. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after January 14, 2025, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to January 14, 2025, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to replace the turbocharger as necessary. The repairs will be made at no charge to the customer. |
| N252502891-01 | 2026-08-20. Service campaign. Certain vehicles may have a condition in which the internal differential nut was cross threaded or missing during assembly. Dealers will review the vehicles service history in IVH, and if necessary, replace the rear electric drive transmission module. |
| N252502890-01 | 2026-08-20. Service campaign. Certain vehicles may have a condition in which the internal differential nut was cross threaded or missing during assembly. Dealers will review the vehicles service history in IVH, and if necessary, replace the front electric drive transmission module. |
| N242471460-01 | 2026-08-20. Service campaign. Certain vehicles may have been built with an Electric Drive Unit mounting bolt that is too long, causing damage to the Drive Unit case. Dealers will inspect and replace the Electrical Drive Unit if necessary. |
| N242468490-02 | 2026-05-28. Service campaign. Certain vehicles may have missing cavity plugs from the rear chassis harness electrical connector. Dealers are to inspect the rear chassis harness and replace missing harness plugs as necessary. |