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Service bulletin 16NA338

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)
TypeService bulletin
NHTSA id10178949
Published by NHTSA2020-08-31
Manufacturer's number16NA338
Manufacturer's date2020-07-28
NHTSA componentENGINE; POWER TRAIN

NHTSA's summary

This 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

Vehicles listed
BUICK CASCADA2016, 2017, 2018, 2019
BUICK CENTURY2005
BUICK ENCLAVE2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
BUICK ENCORE2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
BUICK ENVISION2016, 2017, 2018, 2019, 2020
BUICK LACROSSE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
BUICK LESABRE2005
BUICK LESABRE2006
BUICK LUCERNE2006, 2007, 2008, 2009, 2010, 2011
BUICK LUCERNE2012
BUICK PARK AVENUE2005
BUICK RAINIER2005, 2006, 2007
BUICK REGAL2005
BUICK REGAL2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
BUICK RENDEZVOUS2005, 2006, 2007
BUICK TERRAZA2005, 2006, 2007
BUICK TERRAZA2008
BUICK VERANO2012
BUICK VERANO2015, 2016, 2017
CADILLAC ATS2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CT42020
CADILLAC CT52020
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CTS2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CTS-V2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC DEVILLE2005
CADILLAC DTS2006, 2007, 2008, 2009, 2010, 2011
CADILLAC ELR2014, 2015, 2016, 2017
CADILLAC ESCALADE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CADILLAC ESCALADE ESV2005, 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 ESV2017, 2018, 2019, 2020
CADILLAC ESCALADE EXT2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
CADILLAC STS2005, 2006, 2007, 2008, 2009, 2010, 2011
CADILLAC XLR2005, 2006, 2007, 2008, 2009
CADILLAC XT42019, 2020
CADILLAC XT52017, 2018, 2019, 2020
CADILLAC XT62020
CADILLAC XTS2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET ASTRO2005
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET AVALANCHE 15002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002005, 2006 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVEO2005, 2006
CHEVROLET AVEO2009, 2010, 2011, 2012
CHEVROLET BLAZER2005
CHEVROLET BLAZER2019, 2020
CHEVROLET BOLT EV2017
CHEVROLET BOLT EV2019, 2020
CHEVROLET C SERIES2005 to 2006
CHEVROLET C SERIES2008
CHEVROLET CAMARO2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET CAPRICE2011 to 2017
CHEVROLET CAPTIVA2013 to 2014
CHEVROLET CAPTIVA SPORT2012
CHEVROLET CAVALIER2005
CHEVROLET CHEVEROLET SS2014 to 2017
CHEVROLET CITY EXPRESS2015, 2016
CHEVROLET CLASSIC2005 to 2006
CHEVROLET COBALT2005, 2006, 2007, 2008, 2009, 2010
CHEVROLET COLORADO2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
CHEVROLET COLORADO2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET CORVETTE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET EPICA2005
CHEVROLET EQUINOX2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET EXPRESS2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET G VAN BUS2005 to 2006
CHEVROLET HHR2006, 2007, 2008, 2009, 2010, 2011
CHEVROLET IMPALA2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET MALIBU2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET MONTE CARLO2005, 2006, 2007
CHEVROLET N3002018
CHEVROLET N300 MAX2017
CHEVROLET OPTRA2005, 2006
CHEVROLET SILVERADO 15002006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 1500 HD2005 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET SPARK2013, 2014, 2015
CHEVROLET SPARK2018, 2019, 2020
CHEVROLET SPARK EV2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SPARK EV2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SSR2005, 2006
CHEVROLET SUBURBAN2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET T SERIES2005, 2006
CHEVROLET T SERIES2010
CHEVROLET TAHOE2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET TRAILBLAZER2005, 2006, 2007, 2008, 2009
CHEVROLET TRAVERSE2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET TRAX2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET UPLANDER2005, 2006, 2007, 2008, 2009
CHEVROLET VENTURE2005
CHEVROLET VOLT2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
GMC ACADIA2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
GMC C SERIES2005 to 2006
GMC CANYON2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
GMC CANYON2015, 2016, 2017, 2018, 2019, 2020
GMC ENVOY2005, 2006, 2007, 2008, 2009
GMC ENVOY XL2006 (the catalog's model; the bulletin names a series or trim of it)
GMC ENVOY XUV2005 (the catalog's model; the bulletin names a series or trim of it)
GMC JIMMY CLASSIC2005
GMC SAFARI2005
GMC SAVANA2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON DENALI2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON DENALI XL2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2005, 2006, 2007, 2008, 2009, 2010, 2011
GMC YUKON XL2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2015, 2016, 2017, 2018, 2019, 2020
HUMMER H22005, 2006, 2007, 2008, 2009, 2010
HUMMER H32006, 2007, 2008, 2009, 2010
ISUZU 4500 SERIES2006
PONTIAC AZTEK2005
PONTIAC BONNEVILLE2005
PONTIAC G32010
PONTIAC G52007, 2008, 2009, 2010
PONTIAC G62005, 2006, 2007, 2008, 2009, 2010
PONTIAC G82008, 2009, 2010
PONTIAC GRAND AM2005
PONTIAC GRAND PRIX2005, 2006, 2007, 2008
PONTIAC GTO2005, 2006
PONTIAC GTO2007
PONTIAC MONTANA2005 to 2009
PONTIAC PURSUIT2005, 2006
PONTIAC PURSUIT2007 to 2009
PONTIAC SOLSTICE2006, 2007, 2008, 2009, 2010
PONTIAC SUNFIRE2005
PONTIAC TORRENT2006, 2007, 2008, 2009
PONTIAC VIBE2005, 2006, 2007, 2008, 2009, 2010
SAAB 9-2X2006
SAAB 9-32006, 2007, 2008, 2009, 2010, 2011
SAAB 9-52006, 2007, 2008, 2009, 2010
SAAB 9-7X2005, 2006, 2007, 2008, 2009
SATURN ASTRA2008, 2009
SATURN ASTRA2010
SATURN AURA2007, 2008, 2009, 2010
SATURN ION2005, 2006, 2007
SATURN L2002005
SATURN L3002005
SATURN OUTLOOK2007, 2008, 2009, 2010
SATURN RELAY2005, 2006, 2007
SATURN RELAY2008
SATURN SKY2007, 2008, 2009, 2010
SATURN VUE2005, 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
26V2890002026-05-07. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
20260602026-02-12. Powertrain
26V0830002026-02-12. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY
20251182025-03-06. Powertrain
25V1480002025-03-06. POWER TRAIN:AUTOMATIC TRANSMISSION
20246372024-10-24. Powertrain
24V7970002024-10-24. POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE
21V3460002021-05-13. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE
20205202020-10-29. Powertrain
20V6680002020-10-29. POWER TRAIN:AUTOMATIC TRANSMISSION

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
N2625762602026-10-15. 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.
N2625480502026-04-24. 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.
N2625480502026-04-23. 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.
24-NA-2622025-12-03. Service bulletin. This bulletin helps aid the tech in possible 10L100 transmission noise that may be normal or abnormal depending on the concern noted.
00-06-01-026R2025-12-03. Service bulletin. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
23-NA-1702025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-1532025-10-25. 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.
24-NA-2412025-10-16. Service bulletin. This informational bulletin advises the technician of a part number change for long block engines used in the trucks noted.
23-NA-1192025-10-16. Service bulletin. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
22-NA-0802025-10-16. Service bulletin. This technical bulletin provides a procedure to replace the camshaft actuator magnet to correct customer concerns of engine related shudder.