Technical Service Bulletins (TSB)

BUICK — CANYON, COLORADO, ENVOY, H3, RAINIER, TRAILBLAZER (2005–2012) — 32 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an engine that misfires, possibly coming to a stop or on acceleration. This may be caused by contaminated

BUICK — ENCORE, SONIC, TRAX (2012–2018) — 19 vehicle combinations

010000 STEERING

This technical bulletin provides diagnostic and repair information to correct a customer concern of a steering drift or pull condition where the vehicle may appear to pull or drift in the direction of a road crown.

BUICK — ACADIA, ATS, CORVETTE, CT6, CTS, ENVISION, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 2500, SUBURBAN, TAHOE, TRAVERSE, XT5, YUKON, YUKON XL (2017–2018) — 83 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to reprogram the memory set module to correct a condition of Personalization Selections Intermittently Missing from Comfort and Convenience Menu due to a calibration concern.

BUICK — ACADIA, ATS, CAMARO, CAPRICE, CAPTIVA, CAPTIVA SPORT, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, OUTLOOK, REGAL, SRX, STS, TERRAIN, TRAVERSE, VERANO, XTS (2008–2018) — 120 vehicle combinations

113000 ELECTRICAL SYSTEM:STARTER ASSEMBLY

This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark t

BUICK — ENCLAVE, LACROSSE, TERRAIN (2018) — 3 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates that the restriction for the GF9 trans assembly has ended.

BUICK — ACADIA, ATS, BOLT EV, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, IMPALA, LACROSSE, MALIBU, REGAL, SIERRA, SIERRA 3500, SILVERADO, SILVERADO 2500, SONIC, SPARK, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VOLT, XT5, XTS, YUKON DENALI (2017–2018) — 60 vehicle combinations

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

This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motor

BUICK — ENCLAVE, TRAVERSE (2018) — 2 vehicle combinations

100000 POWER TRAIN

This Preliminary information communicates if a slight shudder is felt during a shift at speeds of 40 MPH or below to perform a transmission fluid drain and fill.

BUICK — ACADIA, ATS, CAMARO, CANYON, CAPRICE, COLORADO, CORVETTE, CRUZE, CTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, IMPALA, LACROSSE, REGAL, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON (2010–2018) — 183 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s

BUICK — ENCORE, TRAX (2013–2020) — 40 vehicle combinations

010000 STEERING

This Technical bulletin provides information on replacing both inner and outer intermediate steering shaft boots and steering gear due to water intrusion in the steering gear input shaft freezing and/or corrosion causing a hard to steer in

BUICK — ASTRA, AVEO, CRUZE, ENCORE, G3, SONIC, TRAX (2008–2021) — 140 vehicle combinations

060000 ENGINE (PWS)

This bulletin provides information for the low oil pressure light on at a idle in which may be caused by oil pressure being bled off due to debris in the oil drain check valve and/or a smashed oil filter.

BUICK — 9-7X, ACADIA, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PARK AVENUE, RAINIER, REGAL, RELAY, RENDEZVOUS, SAFARI, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2018) — 1288 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CTS, ENCLAVE, LACROSSE, REGAL, TRAVERSE, XT5 (2017–2018) — 19 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates a concern of a MIL on with P0459 or P0443 setting and engineering investigating this condition.

BUICK — 3500, 9-3, 9-5, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, JIMMY, JIMMY CLASSIC, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, N300, N300 MAX, ORLANDO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RENDEZVOUS, S10, SAFARI, SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILHOUETTE, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SKY, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2004–2018) — 737 vehicle combinations

063140 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

This informational bulletin explains how the catalytic converters may need an inspection, cleaning or replacement if debris have entered the exhaust system.

BUICK — 3500, ACADIA, ATS, BOLT EV, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, LOW CAB FORWARD 6500, MALIBU, REGAL, SAVANA, SIERRA, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON XL (2016–2018) — 248 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This informational bulletin provides information on approved warranty part numbers for original equipment batteries

BUICK — ATS, CAPRICE, CAPTIVA, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN (2011–2018) — 82 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication advises the technician on the steps to diagnose the concern, and the steps to repair the concern of Diagnostic Trouble Code P228C setting. The technician is to inspect the fuel and readings for th

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT6, CTS, ELR, ENCORE, ENVISION, ESCALADE, IMPALA, LACROSSE, MALIBU, REGAL, SIERRA, SIERRA 1500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SRX, SUBURBAN, TAHOE, VOLT, XT5, XTS, YUKON (2013–2017) — 82 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that the voice recognition is inoperative. Technician will need to toggle through all languages then back to the desired language.

BUICK — 3500, 9-3, 9-5, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, 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, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2007–2018) — 558 vehicle combinations

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This informational bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.

BUICK — ACADIA, ENCLAVE, TRAVERSE (2012–2016) — 15 vehicle combinations

160000 STRUCTURE

This engineering information bulletin is requesting information from the field on vehicles with the condition of Engineering Information ? Knocking Noise Under Light Load.

BUICK — ACADIA, REGAL, XT5 (2017–2018) — 5 vehicle combinations

060000 ENGINE (PWS)

This Preliminary information communicates a possible oil leak from the oil cooler and probable cause and repair instruction.

BUICK — 3500, ACADIA, ATS, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CHEYENNE, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, MALIBU, N300, N300 MAX, ORLANDO, REGAL, S10, SAVANA, SIERRA, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON XL (2016–2018) — 146 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information retaining to the fact that Service Manuals will now be available on USB.

BUICK — 3500, 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALERO EXPORT, 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, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, 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, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L SERIES, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, 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, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, 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, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2018) — 1075 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about finding needle bearings during an oil change. Technician will gain access to the roller rockers to inspect them. Only replace the roller rocker that is

BUICK — ACADIA, CANYON, COLORADO, ENCLAVE, EQUINOX, IMPALA, TERRAIN, TRAVERSE, XTS (2012–2018) — 38 vehicle combinations

062300 ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

This Preliminary information communicates a diagnostic trail to a likely conclusion for lean codes on these vehicles.

BUICK — 9-7X, ALLURE, AVALANCHE, AVALANCHE 1500, C SERIES, CAMARO, CANYON, CAPRICE, COLORADO, CORVETTE, CTS, CTS-V, ENVOY, ESCALADE, EXPRESS, G8, GRAND PRIX, GTO, IMPALA, LACROSSE, MONTE CARLO, RAINIER, SAVANA, SIERRA, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SSR, SUBURBAN, TAHOE, TRAILBLAZER, YUKON DENALI, YUKON XL (2002–2018) — 262 vehicle combinations

120000 EXTERIOR LIGHTING

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Code

BUICK — ENCLAVE, TRAVERSE (2018) — 2 vehicle combinations

103000 POWER TRAIN:AUTOMATIC TRANSMISSION

This Preliminary information communicates if a slight shudder is felt during a shift at speeds of 40 MPH or below to perform a trans fluid drain and fill and to perfrom a cooler flow test to flush the cooler.

BUICK — ACADIA, ATS, ATS-V, CAMARO, CANYON, CAPTIVA, COLORADO, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN, TRAVERSE, XTS (2013–2018) — 67 vehicle combinations

280000 BACK OVER PREVENTION

This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the