Service bulletin 16-NA-338
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 | 10228863 |
| Published by NHTSA | 2023-01-05 |
| Manufacturer's number | 16-NA-338 |
| Manufacturer's date | 2022-12-13 |
| NHTSA component | POWER TRAIN; ENGINE AND ENGINE COOLING |
NHTSA's summary
This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
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
Engine, Transmission and driveline
| BUICK ALLURE | 2006, 2007, 2008, 2009 |
|---|---|
| BUICK CASCADA | 2016, 2017, 2018, 2019 |
| BUICK CENTURY | 2005 |
| BUICK ENCLAVE | 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| BUICK ENCORE | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| BUICK ENCORE | 2023 |
| BUICK ENCORE GX | 2020, 2021, 2022, 2023 |
| BUICK ENVISION | 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| BUICK LACROSSE | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| BUICK LACROSSE | 2020 |
| BUICK LESABRE | 2005 |
| BUICK LESABRE | 2006 |
| BUICK LESABRE | 2013 |
| BUICK LUCERNE | 2006, 2007, 2008, 2009, 2010, 2011 |
| BUICK LUCERNE | 2012 |
| BUICK PARK AVENUE | 2005 |
| BUICK RAINIER | 2005, 2006, 2007 |
| BUICK REGAL | 2005 |
| BUICK REGAL | 2008 to 2010 |
| BUICK REGAL | 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| BUICK REGAL TOURX | 2018 |
| BUICK RENDEZVOUS | 2005, 2006, 2007 |
| BUICK TERRAZA | 2005, 2006, 2007 |
| BUICK TERRAZA | 2008 |
| BUICK VERANO | 2012, 2013, 2014, 2015, 2016, 2017 |
| CADILLAC ATS | 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC ATS-V | 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CT4 | 2020, 2021, 2022, 2023 |
| CADILLAC CT5 | 2020, 2021, 2022, 2023 |
| CADILLAC CT6 | 2013 to 2015 |
| CADILLAC CT6 | 2016, 2017, 2018, 2019, 2020 |
| CADILLAC CT6 | 2021 |
| CADILLAC CTS | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC CTS-V | 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC CTS-V | 2010, 2011, 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 DEVILLE | 2005 |
| CADILLAC DTS | 2005 |
| CADILLAC DTS | 2006, 2007, 2008, 2009, 2010, 2011 |
| CADILLAC DTS | 2012 |
| CADILLAC ESCALADE | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CADILLAC ESCALADE ESV | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 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 |
| CADILLAC ESCALADE EXT | 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE EXT 1500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE HYBRID | 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC ESCALADE NA | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| CADILLAC SRX | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 |
| CADILLAC SRX | 2017 to 2019 |
| CADILLAC STS | 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| CADILLAC STS | 2012 |
| CADILLAC XLR | 2005, 2006, 2007, 2008, 2009 |
| CADILLAC XT4 | 2018 |
| CADILLAC XT4 | 2019, 2020, 2021, 2022, 2023 |
| CADILLAC XT5 | 2013 to 2016 |
| CADILLAC XT5 | 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CADILLAC XT6 | 2020, 2021, 2022, 2023 |
| CADILLAC XTS | 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CADILLAC XTS | 2020 |
| CHEVROLET 6500 | 2019 |
| CHEVROLET ASTRO | 2005 |
| CHEVROLET AVALANCHE | 2007, 2008, 2009, 2010, 2011, 2012, 2013 |
| CHEVROLET AVALANCHE | 2014 |
| CHEVROLET AVALANCHE 1500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET AVALANCHE 2500 | 2005, 2006, 2007 (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 AVEO | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
| CHEVROLET BLAZER | 2005 |
| CHEVROLET BLAZER | 2006 to 2009 |
| CHEVROLET BLAZER | 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET CAMARO | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET CAPRICE | 2011 to 2018 |
| CHEVROLET CAPRICE POLICE PURSUIT | 2012 to 2017 |
| CHEVROLET CAPTIVA | 2008 to 2018 |
| CHEVROLET CAPTIVA SPORT | 2009 |
| CHEVROLET CAPTIVA SPORT | 2010, 2011, 2012 |
| CHEVROLET CAVALIER | 2005 |
| CHEVROLET CHEVEROLET SS | 2014 to 2017 |
| CHEVROLET CHEYENNE | 2017 |
| CHEVROLET CITY EXPRESS | 2015, 2016 |
| CHEVROLET CITY EXPRESS | 2018 |
| CHEVROLET CLASSIC | 2005 to 2006 |
| CHEVROLET COBALT | 2005, 2006, 2007, 2008, 2009, 2010 |
| CHEVROLET COBALT | 2011 to 2017 |
| CHEVROLET COBALT SS | 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET COLORADO | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 |
| CHEVROLET COLORADO | 2013 to 2014 |
| CHEVROLET COLORADO | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET CORVETTE | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET CORVETTE Z06 | 2005, 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CORVETTE ZR1 | 2009 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET CRUZE | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| CHEVROLET DENALI | 2005 to 2006 |
| CHEVROLET EPICA | 2005 |
| CHEVROLET EQUINOX | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET EXPRESS | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 |
| CHEVROLET EXPRESS 1500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 1500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 2500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2012 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 3500 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS 4500 | 2009 (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 | 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET EXPRESS CUTAWAY VAN | 2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET G VAN BUS | 2005 to 2011 |
| CHEVROLET G1500 | 2005 to 2008 |
| CHEVROLET G2500 | 2005 |
| CHEVROLET G3500 | 2005 |
| CHEVROLET G3500 | 2008 |
| CHEVROLET G4500 | 2018 |
| CHEVROLET HHR | 2006, 2007, 2008, 2009, 2010, 2011 |
| CHEVROLET IMPALA | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET IMPALA (GMX 211) | 2006 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET INCOMPLETE/CUTAWAY C3 | 2005 |
| CHEVROLET LUMINA | 2008 |
| CHEVROLET LUMINA | 2014 |
| CHEVROLET MALIBU | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET MALIBU CLASSIC | 2005 |
| CHEVROLET MALIBU CLASSIC | 2007 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET MALIBU ECO | 2013, 2014 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET MALIBU HYBRID | 2008, 2009, 2010 (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 MALIBU MAXX | 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET MONTE CARLO | 2005, 2006, 2007 |
| CHEVROLET MONTE CARLO | 2008 |
| CHEVROLET MONTE CARLO | 2010 |
| CHEVROLET N300 | 2014 to 2016 |
| CHEVROLET N300 | 2018 |
| CHEVROLET N300 MAX | 2017 |
| CHEVROLET ONIX | 2021 |
| CHEVROLET OPTRA | 2005, 2006, 2007 |
| CHEVROLET OPTRA | 2016 |
| CHEVROLET ORLANDO | 2017 |
| CHEVROLET S/T BLAZER | 2005 |
| CHEVROLET S10 | 2005 to 2007 |
| CHEVROLET S10 | 2016 to 2018 |
| CHEVROLET SILVERADO 1500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 1500 HD | 2005 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 4500 | 2019, 2020, 2021, 2022, 2023 (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 (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 SONIC | 2011 |
| CHEVROLET SONIC | 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 |
| CHEVROLET SPARK | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET SS | 2018 |
| CHEVROLET SSR | 2005, 2006 |
| CHEVROLET SSR | 2007 |
| CHEVROLET SUBURBAN | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET SUBURBAN 1500 | 2005, 2006, 2007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 1500 | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 2500 | 2005, 2006 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SUBURBAN 2500 | 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET TAHOE HYBRID | 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE POLICE PURSUIT | 2010, 2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAILBLAZER | 2005, 2006, 2007, 2008, 2009 |
| CHEVROLET TRAILBLAZER | 2013 to 2014 |
| CHEVROLET TRAILBLAZER | 2017 to 2020 |
| CHEVROLET TRAILBLAZER | 2021, 2022, 2023 |
| CHEVROLET TRAILBLAZER 360 | 2005, 2006, 2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAILBLAZER EXT | 2006 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRAILBLAZER EXT 370 | 2005, 2006 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TRANS SPORT | 2005 |
| CHEVROLET TRAVERSE | 2008 |
| CHEVROLET TRAVERSE | 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| CHEVROLET TRAX | 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 |
| CHEVROLET UPLANDER | 2005, 2006, 2007, 2008, 2009 |
| CHEVROLET VENTURE | 2005 |
| CHEVROLET duplicate SILVERADO 5500 | 2019 |
| GMC ACADIA | 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| GMC CANYON | 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 |
| GMC CANYON | 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 |
| GMC DENALI | 2007 to 2015 |
| GMC ENVOY | 2005, 2006, 2007, 2008, 2009 |
| GMC ENVOY | 2010 to 2013 |
| GMC ENVOY 360 | 2005, 2006, 2007, 2008, 2009 (the catalog's model; the bulletin names a series or trim of it) |
| GMC ENVOY DENALI | 2006, 2007 (the catalog's model; the bulletin names a series or trim of it) |
| GMC ENVOY DENALI XL | 2006 (the catalog's model; the bulletin names a series or trim of it) |
| GMC ENVOY XL | 2006 (the catalog's model; the bulletin names a series or trim of it) |
| GMC ENVOY XL 370 | 2005, 2006 (the catalog's model; the bulletin names a series or trim of it) |
| GMC ENVOY XUV | 2005 (the catalog's model; the bulletin names a series or trim of it) |
| GMC EXPRESS | 2009 |
| GMC G VAN BUS | 2005 to 2011 |
| GMC G1500 | 2005 to 2008 |
| GMC G2500 | 2005 |
| GMC G3500 | 2005 |
| GMC G3500 | 2017 to 2018 |
| GMC JIMMY CLASSIC | 2005 |
And 28 more lines, in the JSON.
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 |
| 2024679 | 2024-11-07. Powertrain |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 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. |
|---|---|
| N262552620 | 2026-05-11. Service campaign. Certain vehicles may have a condition that could cause the cylinder 2 glow plug to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set. 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 May 11, 2026, 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 May 11, 2026, 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 cylinder 2 glow plug as necessary. The repairs will be made at no charge to the customer. |
| N262548050 | 2026-04-24. Service bulletin. This message is to inform dealers that Special Coverage N262548050 is being temporarily suspended for the models above. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause. |
| N262548050 | 2026-04-23. Service campaign. Certain vehicles, may have a condition that could cause the Catalytic Converter to fail. If this failure occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the Catalytic Converter as necessary. The repairs will be made at no charge to the customer. |
| N252494003-02 | 2026-01-21. Service campaign. Certain vehicles listed above, may have a condition where the connecting rod and/or crankshaft engine components in these vehicles may have manufacturing defects that can lead to engine damage and engine failure. This special coverage covers if an engine failure occurs in the vehicle as a result of the condition described above for a period of 10 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 May 23, 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 May 23, 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 engine. The repairs will be made at no charge to the customer. |
| PIE0815A | 2025-12-04. Service bulletin. This engineering information (EI) closure ends the need for gathering further information from technicians/field in regard to the Service Engine Soon (SES) Lamp illuminated on DIC, Suspect Non-OE Catalytic Converters and/or Exhaust Systems w/DTCs P013F, P014A, P014B and/or P013E Set. |
| 25-NA-080 | 2025-12-03. Service bulletin. This service bulletin provides a procedure to overhaul the control valve to replace a plate and worn down check ball to correct the customers concern of No Reverse, No Shift Past Third Gear - DTC P2732 Set. |
| 24-NA-262 | 2025-12-03. Service bulletin. This bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the concern noted. |
| 00-06-01-026R | 2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. |
| 25-NA-339 | 2025-11-12. Service bulletin. Under Field Actions N252494000, N252494001, the service procedure includes performing a PICO test on vehicle engines within the identified suspect VIN population. If the engine passes the PICO test, the engine oil will be changed from 0W20 to Mobil 1 Supercar 0W40 dexosR. From that point forward, the engine must use 0W40 dexosR oil products for all future oil change services. |