# Service bulletin PIP5632F 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: 10208029 - Published by NHTSA: 2022\-02\-14 - Manufacturer's number: PIP5632F - Manufacturer's date: 2022\-01\-14 - NHTSA component: ENGINE ## NHTSA's summary This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208029-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208029-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Engine ## Vehicles listed - 2016 to 2019 BUICK CASCADA - 2010 to 2022 BUICK ENCLAVE - 2013 to 2022 BUICK ENCORE - 2016 to 2022 BUICK ENVISION - 2010 to 2019 BUICK LACROSSE - 2010 to 2011 BUICK LUCERNE - 2011 to 2020 BUICK REGAL - 2012 to 2017 BUICK VERANO - 2013 to 2019 CADILLAC ATS - 2020 to 2022 CADILLAC CT4 - 2020 to 2022 CADILLAC CT5 - 2016 to 2020 CADILLAC CT6 - 2010 to 2019 CADILLAC CTS - 2010 to 2011 CADILLAC DTS - 2014 to 2016 CADILLAC ELR - 2010 to 2020 CADILLAC ESCALADE - 2022 CADILLAC ESCALADE - 2010 CADILLAC ESCALADE ESV - 2012 CADILLAC ESCALADE ESV - 2016 CADILLAC ESCALADE ESV - 2018 to 2019 CADILLAC ESCALADE ESV - 2021 CADILLAC ESCALADE NA - 2010 to 2016 CADILLAC SRX - 2010 to 2011 CADILLAC STS - 2019 to 2022 CADILLAC XT4 - 2017 to 2022 CADILLAC XT5 - 2020 to 2022 CADILLAC XT6 - 2013 to 2019 CADILLAC XTS - 2010 to 2013 CHEVROLET AVALANCHE - 2019 to 2022 CHEVROLET BLAZER - 2017 to 2022 CHEVROLET BOLT EV - 2010 to 2022 CHEVROLET CAMARO - 2012 to 2015 CHEVROLET CAPRICE - 2011 to 2015 CHEVROLET CAPTIVA - 2012 CHEVROLET CAPTIVA SPORT - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2015 CHEVROLET CITY EXPRESS - 2010 CHEVROLET COBALT - 2010 to 2012 CHEVROLET COLORADO - 2015 to 2022 CHEVROLET COLORADO - 2010 to 2020 CHEVROLET CORVETTE - 2011 to 2019 CHEVROLET CRUZE - 2010 to 2022 CHEVROLET EQUINOX - 2010 to 2021 CHEVROLET EXPRESS - 2012 CHEVROLET EXPRESS 1500 - 2014 CHEVROLET EXPRESS 1500 - 2014 CHEVROLET EXPRESS 2500 - 2012 CHEVROLET EXPRESS 3500 - 2014 CHEVROLET EXPRESS 3500 - 2012 CHEVROLET EXPRESS 4500 - 2016 CHEVROLET EXPRESS 4500 - 2010 to 2011 CHEVROLET HHR - 2010 to 2020 CHEVROLET IMPALA - 2010 to 2022 CHEVROLET MALIBU - 2010 to 2022 CHEVROLET SILVERADO 1500 - 2010 to 2022 CHEVROLET SILVERADO 2500 - 2010 to 2022 CHEVROLET SILVERADO 3500 - 2012 to 2020 CHEVROLET SONIC - 2013 to 2021 CHEVROLET SPARK - 2010 to 2022 CHEVROLET SUBURBAN - 2010 to 2022 CHEVROLET TAHOE - 2019 CHEVROLET TRAILBLAZER - 2021 to 2022 CHEVROLET TRAILBLAZER - 2010 to 2022 CHEVROLET TRAVERSE - 2013 to 2022 CHEVROLET TRAX - 2011 to 2019 CHEVROLET VOLT - 2010 to 2022 GMC ACADIA - 2010 to 2012 GMC CANYON - 2015 to 2022 GMC CANYON - 2010 to 2022 GMC SAVANA - 2012 GMC SAVANA 2500 - 2012 GMC SAVANA 3500 - 2010 to 2022 GMC SIERRA 1500 - 2010 to 2022 GMC SIERRA 2500 - 2010 to 2022 GMC SIERRA 3500 - 2010 to 2021 GMC TERRAIN - 2022 GMC TERRAIN NA - 2010 to 2022 GMC YUKON - 2010 HUMMER H3 - 2010 PONTIAC G5 - 2010 PONTIAC G6 - 2010 PONTIAC SOLSTICE - 2010 PONTIAC VIBE - 2010 SATURN AURA - 2010 SATURN OUTLOOK - 2010 SATURN SKY - 2010 SATURN VUE ## Recalls for the same vehicles and component - [2025225](/recalls/tc/2025225.md), 2025-04-24: Engine - [25V274000](/recalls/nhtsa/25V274000.md), 2025-04-24: ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL - [21V346000](/recalls/nhtsa/21V346000.md), 2021-05-13: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE - [2019449](/recalls/tc/2019449.md), 2019-09-06: Engine - [19V642000](/recalls/nhtsa/19V642000.md), 2019-09-06: ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS - [19V328000](/recalls/nhtsa/19V328000.md), 2019-04-25: ENGINE - [16V868000](/recalls/nhtsa/16V868000.md), 2016-12-02: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN - [2014577](/recalls/tc/2014577.md), 2014-12-18: Engine - [2014005](/recalls/tc/2014005.md), 2014-01-13: Engine - [14V007000](/recalls/nhtsa/14V007000.md), 2014-01-13: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM ## Other bulletins for the same vehicles and component - [N262576260](/bulletins/11038468.md), 2026-10-15, Service campaign: ENGINE. 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. - [N242484750\-02](/bulletins/11036594.md), 2026-09-01, Warranty extension: ENGINE. 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. - [N262552620](/bulletins/11032588.md), 2026-05-11, Service campaign: ENGINE. 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](/bulletins/11031551.md), 2026-04-24, Service bulletin: ENGINE. 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](/bulletins/11031510.md), 2026-04-23, Service campaign: ENGINE. 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](/bulletins/11027714.md), 2026-01-21, Service campaign: ENGINE. 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. - [00\-06\-01\-026R](/bulletins/11026017.md), 2025-12-03, Service bulletin: ENGINE. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage. - [25\-NA\-339](/bulletins/11025492.md), 2025-11-12, Service bulletin: ENGINE. 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. - [N252508360](/bulletins/11024775.md), 2025-11-03, Warranty extension: ENGINE. Special Coverage. Certain vehicles listed above 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 November 3, 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 November 3, 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. - [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure. 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