Technical Service Bulletins (TSB)

BUICK — ACADIA, BLAZER, BOLT EUV, BOLT EV, CT6, ENCLAVE, ENCORE GX, EQUINOX, LACROSSE, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TERRAIN, TRAVERSE, XT4, XT5, XT6 (2019–2022) — 73 vehicle combinations

280000 BACK OVER PREVENTION

This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered.

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

110000 ELECTRICAL SYSTEM

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

BUICK — AURORA, AVALANCHE, BONNEVILLE, CADILLAC, DEVILLE, ESCALADE, LESABRE, PARK AVENUE, SLS, STS, YUKON DENALI, YUKON XL (1998–2005) — 43 vehicle combinations

020000 SUSPENSION

HIGH SPEED SHAKE OR VIBRATION. *EH

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2017–2022) — 99 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of Intermittent Door Locks Inoperative, DTCs B3125, B3130, B3135, B3979, B3980, Various U codes, IP Lamps Illuminate, Immobilizer, Unwanted Horn or Hazard Flash

BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2022) — 35 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates to the technician the need to inspect the induction system for potential restriction and blockage in the induction system creating drive ability issues.

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) — 946 vehicle combinations

160000 STRUCTURE

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, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, ACADIA, BLAZER, BOLT EUV, BOLT EV, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT5, CT6, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 2500, EXPRESS 3500, HUMMER EV, IMPALA, LACROSSE, LYRIQ, MALIBU, ONIX, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SONIC, SPARK, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, XT4, XT5, XT6, XTS, YUKON, YUKON XL (2020–2023) — 1468 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention.

BUICK — ACADIA, ALLURE, ATS, AURA, AVALANCHE, AVALANCHE 1500, 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, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, G3, G4, G5, G6, GRAND PRIX, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SRX, SS, SSR, STS, SUBURBAN, TAHOE, TERRAIN, TERRAZA, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, XLR, XT4, XT5, XT6, XTS, YUKON (2006–2022) — 651 vehicle combinations

080000 FUEL SYSTEM, DIESEL

This Preliminary information communicates provides information to the technician on the use of R-99 or R-95 Renewable diesel fuel.

BUICK — CAMARO, LACROSSE, XT4, XT5, XT6 (2019–2023) — 116 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concern of Head Up Display (HUD) Blank, Non-Responsive to Brightness, Aim, or Page Controls, DTC U1518 Set.

BUICK — ACADIA, BLAZER, CT4, CT5, ENCLAVE, ENVISION, EQUINOX, TERRAIN, TRAVERSE, XT4, XT5, XT6 (2018–2022) — 182 vehicle combinations

100000 POWER TRAIN

This service bulletin provides repair information to correct a customer concern of a Service AWD Message in DIC at Ignition On with DTC C056D Set.

BUICK — 3500, ACADIA, ATS, ATS-V, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, 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, DENALI, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, G3500, G4500, HUMMER EV, IMPALA, LACROSSE, LESABRE, LUMINA, MALIBU, MALIBU ECO, MALIBU HYBRID, N300, N300 MAX, OPTRA, ORLANDO, REGAL, REGAL TOURX, S10, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA, 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, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 2500 (2013–2023) — 1178 vehicle combinations

350000 EQUIPMENT

This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.

BUICK — ENVISION (2022)

115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

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

BUICK — CAMARO, CORVETTE, CT5, ENCORE, ENCORE GX, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, TAHOE, TERRAIN, TRAILBLAZER, YUKON, YUKON XL (2019–2021) — 41 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides repair information to correct a customer concern of Possible Crank No Start or Extended Crank with DTC P12A6.

BUICK — ENVISION (2022) — 2 vehicle combinations

115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM

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 re

BUICK — CORVETTE, CT4, CT5, ENVISION, ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2020–2022) — 14 vehicle combinations

353000 EQUIPMENT:ELECTRICAL

Service Update Bulletin. Certain vehicles that had the Serial Data Gateway Module (SDGM) replaced in service, may not have been programmed correctly resulting in an incomplete registration of the new module. Dealers are to reprogram the S

BUICK — CT4, CT5, ENVISION, ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2020–2022) — 46 vehicle combinations

110000 ELECTRICAL SYSTEM

This engineering information (EI) closure ends the need for further information from the field in regards to a Forward Collision Icon Message Illuminated on Driver Information Center (DIC) and/or No DTCs Set.

BUICK — 3500, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, ACADIA, ATS, ATS-V, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EUV, BOLT EV, BRIGHTDROP EV600, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVOY, 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, G3500, G4500, HHR, HUMMER EV, IMPALA, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU ECO, MALIBU HYBRID, N300, N300 MAX, ONIX, OPTRA, ORLANDO, REGAL, REGAL TOURX, S10, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA, 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, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, W-SERIES, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2011–2024) — 7111 vehicle combinations

030000 BRAKES (PWS)

This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2021–2023) — 22 vehicle combinations

100000 POWER TRAIN

This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the driver information center (DIC).

BUICK — ENCORE GX, TRAILBLAZER (2020–2022) — 18 vehicle combinations

030000 BRAKES (PWS)

This service bulletin provides repair information to correct a customer concern of hearing a front brake squeal noise during light brake pedal application.

BUICK — ACADIA, BLAZER, CT4, CT5, CT6, ENVISION, XT4, XT5, XT6 (2019–2022) — 50 vehicle combinations

030000 BRAKES (PWS)

This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, ACADIA, ATS, ATS-V, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, 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 HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, G3500, G4500, HUMMER EV, IMPALA, LACROSSE, LESABRE, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU ECO, MALIBU HYBRID, N300, N300 MAX, ONIX, OPTRA, ORLANDO, REGAL, REGAL TOURX, S10, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SAVANNA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SILVERADO LT, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, SUBURBAN 1500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2012–2024) — 4852 vehicle combinations

190000 TIRES

This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

BUICK — ACADIA, ENVISION, EQUINOX, MALIBU, TERRAIN (2018–2022) — 42 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides repair information to correct a customer concern of No Crank, No Start, Quick Start/Stall, Key Fobs Inoperative with DTCs B2924 00, B3925 00, B3926 00, B3927 00, or P0513 set.

BUICK — ENCORE GX, MALIBU, TRAILBLAZER (2019–2024) — 51 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion.

BUICK — ACADIA, ATS, BLAZER, CAMARO, CORVETTE, CT6, CTS, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, XT4, XT5, XT6, XTS, YUKON DENALI, YUKON XL (2018–2022) — 103 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

BUICK — ACADIA, BLAZER, CAMARO, CORVETTE, CT4, CT5, ENCLAVE, ENCORE GX, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6, YUKON (2021–2022) — 38 vehicle combinations

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This Preliminary information communicates a condtion where SD card removed is being displayed on the radio display intermittently. ThisPI advises that engineering is working on a fix for this issue