Technical Service Bulletins (TSB)

BUICK — ACADIA, BLAZER, CT4, CT5, ENCLAVE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, XT4, XT5, XT6, YUKON, YUKON XL (2022–2023) — 40 vehicle combinations

010000 STEERING

Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022-2023 model year vehicles listed above, built beginning November 17, 2021. The affect

BUICK — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, ENCLAVE, ENCORE GX, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6 (2022–2023) — 62 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the

BUICK — ENCLAVE, TRAVERSE (2023) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) Lite is requesting information from technicians to use the steps in Field Product Report (FPR) App in regard to engine coolant found under vehicle.

BUICK — CT4, CT5, ENVISION, ESCALADE, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON (2021–2023) — 16 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

'(There may be future updates under this same release number.) Your vehicle keeps getting better. This vehicle software update includes the following: Refinements: a??Updates made to the overall vehicle software update process. Bet

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ATS, ATS-V, AURA, AURA HYBRID, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, 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, G VAN BUS, G1500, G3, G3500, G4, G4500, G5, G6, G8, GRAND PRIX, GT, GTO, H2, H2 SUT, H3, H3 SUT, H4, HHR, IMPALA, ION, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, 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, SKY, SOLSTICE, SONIC, SPARK, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, T SERIES, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, 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 (2007–2024) — 2566 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ATS, ATS-V, AURA, AURA HYBRID, AV1, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G1500, G3, G3500, G4, G4500, G5, G6, G8, GRAND PRIX, GT, GTO, H2, H2 SUT, H3, H3 SUT, H4, HHR, HUMMER EV, IMPALA, ION, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, 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, SILVERADO EV, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, T SERIES, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAVERSE, TRAX, UPLANDER, 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 (2007–2024) — 1320 vehicle combinations

350000 EQUIPMENT

This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern.

BUICK — ACADIA, BLAZER, ENCLAVE, ENCORE GX, ENVISION, TERRAIN, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6 (2023–2024) — 61 vehicle combinations

100000 POWER TRAIN

This informational bulletin advises the changes to some of the 9-speed automatic transmission oil control changes from previous years.

BUICK — 3500HD, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ATS, ATS-V, AURA, AURA HYBRID, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, BLAZER, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CT4, CT5, CT6, CTS, CTS-V, DTS, ENCLAVE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G1500, G3, G3500, G4, G4500, G5, G6, G8, GRAND PRIX, GT, GTO, H2, H2 SUT, H3, H3 SUT, H4, IMPALA, ION, LACROSSE, LESABRE, LUCERNE, LUMINA, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, 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, SKY, SOLSTICE, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VUE, VUE HYBRID, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2007–2024) — 2122 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.

BUICK — ENCORE GX, TRAILBLAZER (2020–2023) — 14 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P02

BUICK — ENCLAVE, TRAVERSE (2023) — 2 vehicle combinations

160000 STRUCTURE

This engineering information (EI Lite) is requesting information from technicians to take pictures and contact the engineer listed in regards to water leaking from the sunroof area that results in a repair on any 2023 Enclave/Traverse.

BUICK — ACADIA, BLAZER, CT4, CT5, ENCORE, ENCORE GX, SIERRA 1500, SILVERADO 1500, TRAILBLAZER, TRAX, XT5 (2020–2021) — 24 vehicle combinations

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Special Coverage - Certain vehicles may have a condition that could cause the evaporative emissions purge pump to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble

BUICK — ACADIA, BLAZER, CANYON, COLORADO, ENCLAVE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TRAVERSE, XT4, XT5, XT6 (2022–2023) — 50 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles listed, built beginning December 2, 2021. The affected vehicle owners should have been made awar

BUICK — ENCLAVE, TRAVERSE (2023) — 4 vehicle combinations

160000 STRUCTURE

Service Update: Certain vehicles may have a metal split in the passenger side rear wheelhouse inner sheet metal. Dealers are to inspect and if necessary, apply structural adhesive to new cut panel and install over split.

BUICK — ACADIA, ATS, BLAZER, BOLT EV, CANYON, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE ESV, HUMMER EV, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XT6, XTS, YUKON DENALI, YUKON XL (2013–2023) — 154 vehicle combinations

260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".

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, EXPRESS CUTAWAY VAN, 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) — 977 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ATS, ATS-V, AURA, AURA HYBRID, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G1500, G3, G3500, G4, G4500, G5, G6, G8, GRAND PRIX, GT, GTO, H2, H2 SUT, H3, H3 SUT, H4, HHR, HUMMER EV, IMPALA, ION, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, 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, SILVERADO EV, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, T SERIES, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAVERSE, TRAX, UPLANDER, 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 (2007–2024) — 1314 vehicle combinations

150000 SEAT BELTS

This service bulletin provides information on availability for a seat belt extender.

BUICK — ACADIA, ATS, AURA, AVALANCHE, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY VAN, G5, G6, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, OUTLOOK, REGAL, SAVANA, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XT4, XT5, XT6, XTS, YUKON (2010–2022) — 468 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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 sen

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, ACADIA, ATS, ATS-V, BLAZER, BOLT EUV, BOLT EV, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 2500, EXPRESS 3500, EXPRESS CUTAWAY VAN, G3500, G4500, HUMMER EV, IMPALA, LACROSSE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LYRIQ, MALIBU, MALIBU HYBRID, N300, N300 MAX, 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, SILVERADO EV, SONIC, SPARK, SPARK EV, SS, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2017–2024) — 888 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides information for dealers/technicians on Over the Air (OTA) and In Market Enhancement (IME) FAQs.

BUICK — ENCORE GX (2024)

350000 EQUIPMENT

This Preliminary information communicates to the dealer on what to do if a loose or missing tow eye bolt cover is found.

BUICK — ACADIA, BLAZER, CT4, CT5, ENVISION, XT4, XT5, XT6 (2022) — 8 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) closure ends the need for gathering further information from technicians in regard to oil leaking from the oil pan.

BUICK — 9-3, 9-5, ACADIA, ASTRA, ATS, ATS-V, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G VAN BUS, G3, G3500, G4500, G5, G6, G8, H2, H3, HHR, HUMMER EV, IMPALA, LACROSSE, LESABRE, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU ECO, MALIBU HYBRID, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, 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, SILVERADO EV, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2010–2024) — 864 vehicle combinations

160000 STRUCTURE

This service bulletin provides information on Paintless Dent Repair Process.

BUICK — 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ASTRO, ATS, ATS-V, AURA, AURA HYBRID, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BONNEVILLE, BRAVADA, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DTS, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, 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, G VAN BUS, G1500, G2500, G3, G3500, G4, G4500, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H2 SUT, H3, H3 SUT, H4, HHR, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, LUMINA, LW200, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, S/T BLAZER, S10, SAFARI, SAFARI (GMC), 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 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SOLSTICE, SONIC, SONOMA, SONOMA CREW, SPARK, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, SUNFIRE, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TORRENT, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VUE, VUE HYBRID, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2005–2024) — 1342 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

BUICK — ENCLAVE, ENCORE, SONIC, TRAVERSE, TRAX (2019–2020) — 5 vehicle combinations

060000 ENGINE AND ENGINE COOLING

Special Coverage. Certain 2019 model year Buick Enclave and Chevrolet Traverse vehicles equipped with a 3.6L engine (RPO LFY), and certain 2020 model year Buick Encore and Chevrolet Sonic / Trax vehicles equipped with a 1.4L engine (RPO LU

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALLURE, ASTRA, ASTRO, ATS, ATS-V, AURA, AURA HYBRID, 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, CAVALIER, CENTURY, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, ENVOY DENALI XL, ENVOY XL, ENVOY XL 370, ENVOY XUV, EPICA, EQUINOX, EQUINOX EV, 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 VAN BUS, G1500, G2500, G3, G3500, G4, G4500, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H2 SUT, H3, H3 SUT, H4, HHR, HUMMER EV, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LW200, LYRIQ, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, S/T BLAZER, S10, SAFARI, SAFARI (GMC), 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 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SKY, 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, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, 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 (2005–2024) — 1608 vehicle combinations

110000 ELECTRICAL SYSTEM

The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.

BUICK — ENCORE GX (2024)

050000 PARKING BRAKE

This Preliminary information communicates to the dealer on what to do if a loose or missing tow eye bolt cover is found.