Technical Service Bulletins (TSB)

BUICK — ACADIA, BLAZER, CT4, CT5, ENCLAVE, SUBURBAN, TAHOE, TRAVERSE, XT4, YUKON, YUKON XL (2022–2023) — 21 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March

BUICK — ACADIA, BLAZER, CT4, CT5, ENCLAVE, SUBURBAN, TAHOE, TRAVERSE, XT4, YUKON, YUKON XL (2022–2023) — 21 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front driver and passenger seat cushion ventilation blowers are not functional on certain 2022-2023 model year vehicles listed above, built beginning March

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT4, XT5, XT6 (2023) — 28 vehicle combinations

118320 ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:CAMERA/SENSOR

This engineering information (EI) closure ends the need for gathering information from technicians in regards to a Service Front Camera message on the driver information center (DIC), having the loss of the front camera features and/or its

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, TERRAIN, TRAX, VOLT (2016–2022) — 39 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a service procedure to correct customer concerns of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.

BUICK — 3500HD, ACADIA, ATS, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, CAMARO, CANYON, CASCADA, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 2500, EXPRESS 3500, EXPRESS CUTAWAY VAN, HUMMER EV, IMPALA, LACROSSE, LYRIQ, MALIBU, MALIBU HYBRID, ONIX, REGAL, REGAL TOURX, SAVANA, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SONIC, SPARK, SRX, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON XL, YUKON XL 1500 (2019–2024) — 1356 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.

BUICK — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CT4, CT5, ENCLAVE, ENCORE GX, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT5, XT6, YUKON, YUKON XL (2022–2023) — 35 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beg

BUICK — ACADIA, BLAZER, CAMARO, ENCORE GX, EQUINOX, MALIBU, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX (2022–2023) — 20 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution

BUICK — ENCORE, ENCORE GX, TRAILBLAZER (2019–2023) — 9 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the dealers information related to diagnosis of a MIL illuminated with DTC P0299 and/or Cold start rattle noise from the engine compartment.

BUICK — ENCLAVE, TRAVERSE, XT5, XT6 (2022) — 4 vehicle combinations

115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

This Preliminary information communicates information to the technician that if they receive a vehicle with this concern after performing N212354521, General Motors is aware of this and working to correct the BCM software and will provide a

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, TERRAIN, TRAX (2014–2022) — 39 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18A?C (0A?F) or less

BUICK — ACADIA, BLAZER, CT4, CT5, ENVISION, XT4, XT5, XT6 (2021–2023) — 24 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the possibility of dtc p0299 due to a stuck open Charge Air Bypass Valve

BUICK — 9-3, 9-4X, 9-5, ACADIA, ATS, AURA, AURORA, AVEO, AZTEK, BONNEVILLE, CAMARO, CAVALIER, COLORADO, CORVETTE, CRUZE, CTS, CTS-V, DEVILLE, DTS, ELR, ENVISION, EQUINOX, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, H2, H2 SUT, H3, H3 SUT, IMPALA, LACROSSE, LESABRE, LUCERNE, MALIBU, OUTLOOK, REGAL, RELAY, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SONIC, SPARK, SRX, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, SUNFIRE, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TRAVERSE, UPLANDER, VERANO, VUE, VUE HYBRID, XLR, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500, YUKON XL DENALI (2000–2017) — 1573 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.

BUICK — ENCORE GX, TRAILBLAZER (2020–2022) — 5 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18A?C (0A?F) or less

BUICK — CORVETTE, ENVISION (2021–2022) — 3 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates information for the field to diagnose a potential RAP system that will not cancel and/or a dead battery concern.

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2017–2023) — 35 vehicle combinations

010000 STEERING

This Preliminary information communicates that a vehicle may come to the dealer with a "Service Steering Message" and no codes set that pertain to the steering system. The technician is instructed to look for a P0128 and if it is set to dia

BUICK — CAMARO, CRUZE, ENCORE, EQUINOX, LACROSSE, MALIBU, REGAL, SS, TERRAIN, VOLT (2012–2017) — 38 vehicle combinations

280000 BACK OVER PREVENTION

This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. The rear view camera brightness can be adjusted on some models while the tr

BUICK — ACADIA, ATS, ATS-V, AVEO, BLAZER, BOLT EUV, BOLT EV, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 2500, EXPRESS 3500, G3500, G4500, HUMMER EV, IMPALA, LACROSSE, LYRIQ, MALIBU, MALIBU HYBRID, N300, N300 MAX, ONIX, ORLANDO, REGAL, REGAL TOURX, S10, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2017–2023) — 365 vehicle combinations

200000 WHEELS

This service bulletin provides information on Dealer Installed LPO Wheel Installation and Return Process.

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, TERRAIN, TRAX (2013–2022) — 43 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Service Update. Certain vehicles listed above may have a condition in which ice or sludge can accumulate in the Charge Air Cooler (CAC) or Closed Crankcase Ventilation (CCV) system when driving in extremely cold weather conditions (-18A?C (

BUICK — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALLURE, ASTRA, ASTRO, ATS, ATS-V, AURA, AURA HYBRID, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BOLT EUV, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CONVENTIONAL, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, ENVOY 360, ENVOY DENALI, ENVOY DENALI XL, ENVOY XL, ENVOY XL 370, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, F SERIES, G SERIES, G VAN BUS, G1500, G2500, G3, G3500, G4, G4500, G5, G6, G8, GRAND AM, GRAND PRIX, GT, GTO, H1, H2, H2 SUT, H3, H3 SUT, HHR, HUMMER EV, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LS, LUCERNE, LUMINA, LW200, LYRIQ, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, ONIX, OPTRA, ORLANDO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, S/T BLAZER, S10, SAFARI, SAFARI (GMC), SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SLS, SOLSTICE, SONIC, SONOMA, SONOMA CREW, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, SUNFIRE, T SERIES, T4500, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TOPKICK 6500, TOPKICK 8500, TORRENT, TRACKER, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VECTRA, VENTURE, VERANO, VIBE, VOLT, VUE, VUE HYBRID, W SERIES C3 3500, W-SERIES, W3500, W4500, W5500, W5500HD, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500, YUKON XL DENALI (2003–2023) — 1851 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Warranty Administration bulletin provides retail and wholesale service personnel with the policies/procedures and the warranty transaction submission procedures that support the Personal Property Damage process.

BUICK — ENVISION (2022)

110000 ELECTRICAL SYSTEM

Service Update - Certain vehicles may have a condition during an Autostart where the overhead console may incorrectly cause a a??Service Safety Restraint Systema?? message in the Driver Instrument Cluster and sound a chime. Dealers are to r

BUICK — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CT4, CT5, ENCLAVE, ENCORE GX, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT5, XT6, YUKON, YUKON XL (2022–2023) — 38 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beg

BUICK — CAMARO, CANYON, COLORADO, ENCLAVE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TRAVERSE (2022–2023) — 95 vehicle combinations

160000 STRUCTURE

Customer Satisfaction Program. Added population.

BUICK — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT5, ENCLAVE, ENCORE GX, EQUINOX, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6, YUKON XL (2022–2023) — 52 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates vehicles being built without certain options due to a parts shortage.

BUICK — ACADIA, ALERO, ALLURE, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AZTEK, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, FIREBIRD, G3, G4, G5, G6, GRAND AM, GRAND PRIX, H2, H3, HHR, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, LACROSSE, LESABRE, LUCERNE, LUMINA, MALIBU, METRO, MONTANA, MONTE CARLO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAFARI, SAVANA, SAVANA 2500, SAVANA 3500, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILHOUETTE, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SONOMA, SPARK, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, TAHOE, TERRAIN, TERRAZA, TORRENT, TRACKER, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, XLR, XT4, XT5, XT6, XTS, YUKON (2000–2022) — 1010 vehicle combinations

138220 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT

This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related component

BUICK — ACADIA, BLAZER, ENCLAVE, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, XT4, XT5, XT6, YUKON, YUKON XL (2022–2023) — 38 vehicle combinations

220000 SEATS

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the front heated/ventilated seats, front heated seats, or rear heated seats are not functional on certain 2022-2023 model year vehicles listed above, built beg