Technical Service Bulletins (TSB)

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, 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) — 507 vehicle combinations

060000 ENGINE (PWS)

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 — ACADIA, ATS, CT4, CT5, CT6, CTS, ENCLAVE, ENVISION, EQUINOX, LACROSSE, TERRAIN, TRAVERSE, XT4, XT5, XT6, XTS (2015–2022) — 378 vehicle combinations

010000 STEERING

This Preliminary Information communicates to the technician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, SPARK, TERRAIN, TRAX (2016–2022) — 40 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates the possibility of increased brake pedal effort due to vacuum pump failure

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

110000 ELECTRICAL SYSTEM

This bulletin provides a procedure to locate a possible short in the wiring harness near the MAF sensor.

BUICK — ENCORE GX, TRAILBLAZER (2020–2022) — 5 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 — 3500, 4500 SERIES, 4500HD, 5500HD, 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, ASCENDER, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, B7 MEDIUM DUTY, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F SERIES, FIREBIRD, G SERIES, G VAN BUS, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, HUMMER EV, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, RODEO, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SL, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, V SERIES, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W-SERIES, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2022) — 1366 vehicle combinations

061520 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN

This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.

BUICK — 3500, 4500HD, 5500HD, 9-3, 9-5, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EUV, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G5, G6, G8, GRAND PRIX, H SERIES, H2, H3, HHR, IMPALA, LACROSSE, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, N300, N300 MAX, ORLANDO, OUTLOOK, PURSUIT, REGAL, RELAY, S10, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2008–2022) — 1336 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.

BUICK — ENVISION, EQUINOX, MALIBU, TERRAIN (2018–2022) — 20 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides repair information to correct a customer concern of No Crank, No Start, B2924 00, B3925 00, B3926 00, B3927 00, or P0513 set.

BUICK — ENVISION (2022) — 3 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates an issue where the airbag indicator may be illuminated with a B1A7A stored and/or inoperative right rear dome light.

BUICK — ENCORE GX, TRAILBLAZER (2020–2021) — 8 vehicle combinations

060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to isolating a potential engine wiring harness issue causing a MIL on with P0521.

BUICK — ACADIA, ATS, BOLT EV, CAMARO, CRUZE, CT6, CTS, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, LACROSSE, MALIBU, REGAL, SIERRA 1500, SILVERADO 1500, SONIC, TAHOE, TERRAIN, TRAVERSE, TRAX, VOLT, XT4, XT5, XTS (2016–2019) — 45 vehicle combinations

116000 ELECTRICAL SYSTEM:IGNITION

This service bulletin provides repair information to correct a customer concern of passive entry and passive starting functions are always inoperative on one, or both, of the RKE Fobs, possible various DIC messages.

BUICK — ACADIA, BLAZER, ENCORE GX, ENVISION, TERRAIN, XT4, XT5, XT6 (2018–2022) — 25 vehicle combinations

100000 POWER TRAIN

This service bulletin provides 9th gear operation information to respond to customers that may comment on transmission shift operation.

BUICK — LACROSSE (2018)

110000 ELECTRICAL SYSTEM

Emission recall Engine Control Module CVN Reporting

BUICK — ENCORE GX, MALIBU, TRAILBLAZER (2019–2022) — 18 vehicle combinations

103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary information communicates inspection and/or needed repairs for DTC P2714 on a VT40 CVT transmission

BUICK — CAMARO, CT4, CT5, ENCORE GX, ENVISION, EQUINOX, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, YUKON XL (2021) — 26 vehicle combinations

263010 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE

This Preliminary information communicates an issue with adaptive cruise and lane keep assist inoperative due to an internal issue with the front view windshield camera. Dealers are to replace the camera.

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 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA 3500 HD, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, 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) — 1996 vehicle combinations

060000 ENGINE AND ENGINE COOLING

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

BUICK — ENVISION (2021–2022) — 4 vehicle combinations

120110 EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of Windshield Wipers Only Operate on One Speed.

BUICK — ENVISION (2021–2022) — 6 vehicle combinations

115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

This technical bulletin provides repair information to correct a customer concern of Rear Hands-free Liftgate Feature Intermittently Inoperable or Difficult to Operate.

BUICK — ENVISION (2021) — 2 vehicle combinations

061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

This technical bulletin provides a procedure to program the ECM with the latest software and to correct the customers concern.

BUICK — ACADIA, BLAZER, CT4, CT5, ENVISION, XT4, XT5, XT6 (2019–2022) — 50 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides a procedure to replace the starter if found the cause of the rattle noise.

BUICK — ACADIA, BLAZER, ENCORE GX, ENVISION, EQUINOX, MALIBU, REGAL, TERRAIN, TRAILBLAZER, XT4, XT5, XT6 (2020–2022) — 31 vehicle combinations

103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves.

BUICK — CAPTIVA, CAPTIVA SPORT, EQUINOX, LACROSSE, REGAL, TERRAIN, VERANO (2010–2017) — 96 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides diagnostic repair information for customer concerns of Engine Run-On, Rough Running, Malfunction Indicator Lamp (MIL) Illuminated.

BUICK — ACADIA, BLAZER, ENVISION, EQUINOX, IMPALA, TERRAIN (2019–2021) — 51 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides a procedure to correct a customer concern of Starter Not Cranking Engine, Grinding Noise When Starting?.

BUICK — ACADIA, ATS, BLAZER, CAMARO, CANYON, COLORADO, CT5, CT6, CTS, LACROSSE, REGAL, XT5, XT6 (2016–2022) — 114 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides diagnostic strategy information to aid in diagnosing a Ticking, Tap or Rattle Noise from Engine with Possible Misfire, Malfunction Indicator Lamp (MIL) Illuminated.

BUICK — ENCORE, ENCORE GX, TRAILBLAZER (2019–2022) — 14 vehicle combinations

060000 ENGINE (PWS)

This Preliminary information communicates to the dealers information related to diagnosis of a MIL illuminated with DTC P0299.