Service bulletin PIP5628G

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10242298
Published by NHTSA	2023-09-18
Manufacturer's number	PIP5628G
Manufacturer's date	2023-08-10
NHTSA component	ENGINE

NHTSA's summary

This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

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

Trouble codes named

P0300, P0308, P050D

Vehicles listed
BUICK ALLURE	2006
BUICK CASCADA	2016, 2017, 2018, 2019
BUICK CENTURY	2000, 2001, 2002, 2003, 2004, 2005
BUICK ENCLAVE	2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENCORE	2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENVISION	2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK LACROSSE	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
BUICK LESABRE	2000, 2001, 2002, 2003, 2004, 2005
BUICK LUCERNE	2006, 2007, 2008, 2009, 2010, 2011
BUICK PARK AVENUE	2000, 2001, 2002, 2003, 2004, 2005
BUICK RAINIER	2004, 2005, 2006, 2007
BUICK REGAL	2000, 2001, 2002, 2003, 2004
BUICK REGAL	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
BUICK RENDEZVOUS	2002, 2003, 2004, 2005, 2006, 2007
BUICK TERRAZA	2005, 2006, 2007
BUICK VERANO	2012, 2013, 2014, 2015, 2016, 2017
CADILLAC ATS	2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CT4	2020, 2021, 2022
CADILLAC CT5	2020, 2021, 2022
CADILLAC CT6	2016, 2017, 2018, 2019, 2020
CADILLAC CTS	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC DEVILLE	2000, 2001, 2002, 2003, 2004, 2005
CADILLAC DTS	2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ELDORADO	2000, 2001, 2002
CADILLAC ELR	2014, 2015, 2016
CADILLAC ESCALADE	2000
CADILLAC ESCALADE	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CADILLAC ESCALADE	2022
CADILLAC ESCALADE ESV	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV	2012 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV	2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV	2018, 2019
CADILLAC ESCALADE NA	2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SEVILLE	2000, 2001, 2002, 2003, 2004
CADILLAC SRX	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
CADILLAC STS	2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC XLR	2004, 2005, 2006, 2007, 2008, 2009
CADILLAC XT4	2019, 2020, 2021, 2022
CADILLAC XT5	2017, 2018, 2019, 2020, 2021, 2022
CADILLAC XT6	2020, 2021, 2022
CADILLAC XTS	2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET ASTRO	2000 to 2005
CHEVROLET AVALANCHE	2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 1500	2002, 2003, 2004, 2005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BLAZER	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET BLAZER	2019, 2020, 2021, 2022
CHEVROLET BOLT EV	2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CAMARO	2000, 2001, 2002
CHEVROLET CAMARO	2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CAPRICE	2012 to 2015
CHEVROLET CAPTIVA	2011 to 2015
CHEVROLET CAPTIVA SPORT	2012
CHEVROLET CAVALIER	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET CHEVEROLET SS	2014 to 2017
CHEVROLET CITY EXPRESS	2015
CHEVROLET COBALT	2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET COLORADO	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
CHEVROLET COLORADO	2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CORVETTE	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET CRUZE	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET EQUINOX	2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET EXPRESS	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET EXPRESS 1500	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	2014 (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 4500	2012 (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	2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET HHR	2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET IMPALA	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET LUMINA	2000, 2001
CHEVROLET MALIBU	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET METRO	2000, 2001
CHEVROLET MONTE CARLO	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
CHEVROLET P SERIES	2000
CHEVROLET PRIZM	2000 to 2002
CHEVROLET S10	2000 to 2004
CHEVROLET SILVERADO 1500	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500	2021 (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 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 2500	2022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 3500	2012, 2013, 2014, 2015 (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
CHEVROLET SSR	2003, 2004, 2005, 2006
CHEVROLET SUBURBAN	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TAHOE	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TRACKER	2000, 2001, 2002, 2003, 2004
CHEVROLET TRAILBLAZER	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
CHEVROLET TRAILBLAZER	2019
CHEVROLET TRAILBLAZER	2021, 2022
CHEVROLET TRAVERSE	2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TRAX	2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET UPLANDER	2005, 2006, 2007, 2008, 2009
CHEVROLET VENTURE	2000, 2001, 2002, 2003, 2004, 2005
CHEVROLET VOLT	2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
GMC ACADIA	2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC CANYON	2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
GMC CANYON	2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC ENVOY	2000
GMC ENVOY	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
GMC JIMMY	2000 to 2001
GMC JIMMY CLASSIC	2005
GMC SAFARI	2000, 2001, 2002, 2003, 2004, 2005
GMC SAVANA	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC SAVANA 2500	2012 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 3500	2012 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500	2006, 2007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500	2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500	2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 1500	2021, 2022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2000 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2003, 2004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2012 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 2500	2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 3500	2001, 2002 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 3500	2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
GMC SONOMA	2000, 2001, 2002, 2003, 2004
GMC SUBURBAN	2000
GMC TERRAIN	2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
GMC TERRAIN NA	2022 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
HUMMER H2	2003, 2004, 2005, 2006, 2007, 2008, 2009
HUMMER H3	2006, 2007, 2008, 2009, 2010
OLDSMOBILE ALERO	2000, 2001, 2002, 2003, 2004
OLDSMOBILE AURORA	2000
OLDSMOBILE AURORA	2001, 2002, 2003
OLDSMOBILE BRAVADA	2000, 2001, 2002, 2003, 2004
OLDSMOBILE INTRIGUE	2000, 2001, 2002
OLDSMOBILE SILHOUETTE	2000, 2001, 2002, 2003, 2004
PONTIAC AZTEK	2001, 2002, 2003, 2004, 2005
PONTIAC BONNEVILLE	2000, 2001, 2002, 2003, 2004, 2005
PONTIAC FIREBIRD	2000, 2001, 2002
PONTIAC G3	2009
PONTIAC G4	2006
PONTIAC G5	2007, 2008, 2009, 2010
PONTIAC G6	2005, 2006, 2007, 2008, 2009, 2010
PONTIAC GRAND AM	2000, 2001, 2002, 2003, 2004, 2005
PONTIAC GRAND PRIX	2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
PONTIAC MONTANA	2000, 2001, 2002, 2003, 2004
PONTIAC MONTANA	2005 to 2008
PONTIAC SOLSTICE	2006, 2007, 2008, 2009, 2010
PONTIAC SUNFIRE	2000, 2001, 2002, 2003, 2004, 2005
PONTIAC TORRENT	2006, 2007, 2008, 2009
PONTIAC VIBE	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
SATURN AURA	2007, 2008, 2009, 2010
SATURN ION	2003, 2004, 2005, 2006, 2007
SATURN OUTLOOK	2007, 2008, 2009, 2010
SATURN RELAY	2005, 2006, 2007
SATURN SKY	2007, 2008, 2009, 2010
SATURN VUE	2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
2025225	2025-04-24. Engine
25V274000	2025-04-24. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL
2019449	2019-09-06. Engine
19V642000	2019-09-06. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
16V868000	2016-12-02. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
15V701000	2015-10-26. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE
2015501	2015-10-23. Engine
15V201000	2015-04-06. ENGINE AND ENGINE COOLING:ENGINE
2015145	2015-04-02. Engine
2014577	2014-12-18. Engine

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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.
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.
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.
N252508360	2025-11-03. Warranty extension. 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	2025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-153	2025-10-25. Service bulletin. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
N252508350	2025-10-21. Service campaign. Certain vehicles listed above, may have a condition that could cause the engine coolant thermostat to open at a lower temperature than intended. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. 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 October 21, 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 October 21, 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 coolant thermostat as necessary. The repairs will be made at no charge to the customer.
22-NA-080	2025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.
N252508341	2025-09-16. Service campaign. Certain vehicles listed above, may have a condition that could cause the engine coolant control valve to fail an onboard vehicle diagnostic test. If this condition were to occur, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Additionally in some cases, the engine cooling fans may run after the engine is switched off. Dealers are to replace the engine coolant control valve as necessary. The repairs will be made at no charge to the customer.