Technical Service Bulletins (TSB)

BUICK — ACADIA, ATS, ATS-V, AURA, AVALANCHE, CAMARO, CANYON, CAPRICE, CAPTIVA SPORT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, ENCLAVE, EQUINOX, ESCALADE ESV, EXPRESS, G6, G8, H2, IMPALA, LACROSSE, MALIBU, OUTLOOK, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO LT, SONIC, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TORRENT, TRAVERSE, VUE, XLR, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2006–2019) — 716 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 6H, 7H, ACADIA, ALERO EXPORT, ALLURE, ASTRO, ATS, ATS-V, AV1, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, B SERIES, B6 MEDIUM DUTY, B7, B7 MEDIUM DUTY, BEAUVILLE, BERETTA, BLAZER, C SERIES, C10, C3500, C4500, C5500, C6500, C6H042, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CONVENTIONAL, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DIAMOND EDITION, DTS, ELDORADO, 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, F SERIES, F6, F7, G SERIES, G VAN, G VAN BUS, G1500, G25, G2500, G30, G35, G3500, G4500, H SERIES, HHR, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, JIMMY, JIMMY CLASSIC, L SERIES, L VAN, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LUMINA APV, M SERIES, M VAN, M/L, M/L SERIES, M/L VAN, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, METRO, MONTE CARLO, MOTOR HOME, N300, N300 MAX, OPTRA, P SERIES, PARK AVENUE, PRIZM, R SERIES, RAINIER, REGAL, REGAL TOURX, RENDEZVOUS, RIVIERA, ROADTREK, S/T BLAZER, S/T JIMMY, S10, S15, SAFARI, SAFARI (GMC), SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA 3500 HD, SIERRA DENALI, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKYLARK, SLS, SONIC, SONOMA, SONOMA CREW, SPARK, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, T SERIES, T4500, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TOPKICK 6500, TOPKICK 8500, TRACKER, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, V SERIES, VAN, VANDURA, VENTURE, VERANO, W SERIES, W SERIES C3 3500, W-SERIES, W3500, W4, 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 (2000–2024) — 4220 vehicle combinations

060000 ENGINE AND ENGINE COOLING

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.

BUICK — ENCORE GX (2024) — 2 vehicle combinations

350000 EQUIPMENT

Customer Satisfaction Program: Certain vehicles may have a condition in which the incorrect owner manual was provided. Dealers are to provide the correct owner manual.

BUICK — ACADIA, ATS, BLAZER, BOLT EV, CANYON, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, HUMMER EV, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON XL (2013–2024) — 173 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, ATS, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 4500, EXPRESS CUTAWAY VAN, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON (2015–2022) — 284 vehicle combinations

100000 POWER TRAIN

This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the

BUICK — ENVISION (2016) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Satisfaction Program - Certain vehicles may have a condition where there is a loss of OnStar audio after an over-the-air update. Dealers are to reprogram the telematics communication control module.

BUICK — ENCORE GX, ENVISTA, TRAILBLAZER, TRAX (2020–2024) — 11 vehicle combinations

061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION

This Preliminary information communicates information regarding normal debris that could be found in the engine oil or engine oil pan during service generated by the wet belt system wear in.

BUICK — ENVISION (2023) — 3 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

(There may be future updates under this same release number.) Your Buick Envision keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: a??Updates made to improve the Automated Heat

BUICK — ACADIA, BLAZER, BOLT EUV, BOLT EV, CAMARO, CORVETTE, CT4, CT5, CT6, ENCLAVE, ENCORE GX, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SIERRA 2500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6, YUKON, YUKON XL (2021–2023) — 65 vehicle combinations

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary information communicates to dealership technicians that if they receive a radio with the 2 stickers as noted above, the radio was remanufactured with missing components and will need to order another radio unit from the ESC

BUICK — ENVISION (2021) — 3 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

'(There may be future updates under this same release number.) Your Buick Envision keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: a??Updates made to improve the Automated H

BUICK — CORVETTE, CT4, CT5, ENVISION, ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2022–2023) — 32 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should ha

BUICK — ENCORE GX, TRAILBLAZER (2023) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Engineering Information (EI) Lite ends the need for gathering information on a coolant leak using the FPR App.

BUICK — ENCORE GX, ENVISTA, TRAILBLAZER, TRAX (2024) — 80 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct Radio Software issues with software update version 167.5.

BUICK — ENCORE GX, TRAILBLAZER, TRAX (2023–2024) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Service Engine Soon (SES) lamp illuminated on Driver Information Center (DIC).

BUICK — ENVISION (2022) — 4 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

'(There may be future updates under this same release number.) Your Buick Envision keeps getting better. This software update includes the following, if your vehicle is equipped: Refinements: a??Updates made to improve the Automated Hea

BUICK — ENCORE GX, TRAILBLAZER (2023) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

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

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-3, 9-5, ACADIA, ASTRA, ATS, ATS-V, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, C3500, C4500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COBALT SS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, 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, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LYRIQ, MALIBU, MALIBU ECO, MALIBU HYBRID, MONTE CARLO, N300, N300 MAX, 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, T SERIES, T7500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, W3500, W4500, W5500, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2010–2024) — 941 vehicle combinations

350000 EQUIPMENT

This Warranty Administration bulletin provides information on the proper use of the labor operation 0600014.

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) — 933 vehicle combinations

060000 ENGINE (PWS)

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 — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, ACADIA, ATS, ATS-V, AVALANCHE, BLAZER, C3500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY VAN, G3500, G4500, IMPALA, LACROSSE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUMINA, MALIBU, MALIBU ECO, 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, SONIC, SPARK, SRX, SS, SUBURBAN, SUBURBAN 1500, TAHOE, TAHOE POLICE PURSUIT, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL, YUKON XL 1500 (2014–2024) — 616 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This informational bulletin advised the technician that the engine and related parts will be debited if found that the tech didn't properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged b

BUICK — ENCORE GX (2024) — 2 vehicle combinations

350000 EQUIPMENT

Customer Satisfaction Program- Certain vehicles may have a condition in which the incorrect owner manual was provided. Dealers are to provide the correct owner manual.

BUICK — LACROSSE, XT5 (2017–2019) — 18 vehicle combinations

100000 POWER TRAIN

This service bulletin provides repair information to correct a customer concern of a SES light or Service Transmission Soon message appearing in the DIC.

BUICK — ENCLAVE, TRAVERSE (2020–2023) — 8 vehicle combinations

220000 SEATS

This engineering information (EI) ends the need for gathering further information from technicians in regard to 3rd row release strap has fray marks and/or does not release to fold down the seat back.

BUICK — ENCORE GX (2020)

060000 ENGINE AND ENGINE COOLING

Certain vehicles may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate and a diagnostic trouble code will set. Additionally, a message

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, 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) — 5316 vehicle combinations

010000 STEERING

This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.

BUICK — ENVISTA (2024) — 2 vehicle combinations

350000 EQUIPMENT

Cancellation of Stop Delivery Order - GM Reference Number N232419140