Technical Service Bulletins (TSB)

BUICK — ACADIA, BLAZER, CAMARO, CANYON, COLORADO, CT6, ENCORE, EQUINOX, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XT6 (2019–2020) — 84 vehicle combinations

350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.

BUICK — BRAVADA, ENVOY, ENVOY DENALI, ENVOY XL, ENVOY XL 370, ENVOY XUV, RAINIER, TRAILBLAZER, TRAILBLAZER EXT, TRAILBLAZER EXT 370 (2002–2009) — 38 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates information for setting up the SDM.

BUICK — ACADIA, ATS, AURA, BLAZER, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, COLORADO, CT4, CT5, CT6, CTS, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, REGAL, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XT5, XT6, XTS (2007–2022) — 1154 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for knocking, rattle, squeak and/or squeal type noises from engine

BUICK — ENCLAVE, LACROSSE (2018–2020) — 5 vehicle combinations

103000 POWER TRAIN:AUTOMATIC TRANSMISSION

N192216310 - Service Update - Certain vehicles may have a condition wherethe customer may be able to shift out of park with and expired latent fault mode counter. This will only occur after the customer ignores multiple driver information c

BUICK — ENCORE GX, MALIBU, TRAILBLAZER (2019–2021) — 23 vehicle combinations

100000 POWER TRAIN

This service bulletin provides a repair procedure to correct a customer concern of start/stop inoperative, MIL illuminated w/DTC P2797.

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2017–2020) — 17 vehicle combinations

130000 VISIBILITY

This Preliminary information communicates that a customer may come to the dealer with a complaint of a hum, drone or pulsing type noise at times. On investigation the dealer may discover that this concern only occurs when the customer is d

BUICK — 3500, 4500 SERIES, 4500HD, 5500HD, 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, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVY VAN, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT4, CT5, 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, 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, S10, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SILVERADO 4500HD, 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 (2000–2020) — 3531 vehicle combinations

120000 LIGHTING (PWS)

This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.

BUICK — 3500, 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, 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, CONVENTIONAL, CORVETTE, CRUZE, CT6, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F SERIES, G SERIES, G VAN BUS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, IMPALA, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LUCERNE, MALIBU, MONTANA, MONTANA EXT, MONTE CARLO, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, 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 (2003–2018) — 1770 vehicle combinations

046000 SERVICE BRAKES, AIR:ANTILOCK

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed fo

BUICK — 9-3, 9-5, 9-7X, ACADIA, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BOLT EV, BONNEVILLE, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, 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, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, MALIBU, MONTANA, MONTE CARLO, N300, N300 MAX, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, SAFARI, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2020) — 3052 vehicle combinations

190000 TIRES

This technical bulletin provides a procedure on how to clean and resurface aluminum wheel bead seats for vehicles that have the condition of Tire Slowly Goes Flat, Tire Air Loss, Low Tire Pressure Warning Light Illuminated, Aluminum Wheel B

BUICK — REGAL (2016)

030000 BRAKES (PWS)

This Technical Bulletin provides procedure information to correct a condition of Brake Grinding Noise or grooved rotors.

BUICK — 3500, 4500 SERIES, 9-3, 9-5, 9-7X, ACADIA, ASTRA, ASTRO, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BOLT EV, BONNEVILLE, 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, EPICA, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F SERIES, G VAN BUS, G3, G5, G6, G8, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, IMPALA, ION, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LUCERNE, MALIBU, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, ORLANDO, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, 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, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2018) — 749 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking

BUICK — REGAL (2018–2019) — 4 vehicle combinations

280000 BACK OVER PREVENTION

This technical bulletin provides repair information to correct a customer concern of Rear View Camera Fisheye Appearance and Missing Guidance Lines.

BUICK — ATS, CTS, REGAL, TERRAIN, XTS (2018–2020) — 60 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This technical bulletin provides repair information to correct a customer concern of Radio Favorites Grayed Out or Unavailable At Times.

BUICK — CAMARO, CRUZE, ENCORE, EQUINOX, MALIBU, SONIC, SPARK, SPARK EV, SS, TERRAIN, TRAX, VERANO (2015) — 12 vehicle combinations

350000 EQUIPMENT

This informational bulletin provides information on what to do when your clock is inaccurate intermittently .

BUICK — ACADIA, AVALANCHE, CANYON, CAPTIVA SPORT, COLORADO, CTS, ENCLAVE, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS 1500, H2, H3, IMPALA, LACROSSE, OUTLOOK, REGAL, SAVANA 1500, SIERRA 1500, SILVERADO 1500, STS, SUBURBAN, TAHOE, TRAVERSE, VUE, YUKON, YUKON XL (2007–2015) — 278 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This SKU is a Fuel Pump Driver Module. The customer communication requested return of unsold inventory to inspect the software. The software may have a fault where the readiness monitors are stuck in the not-ready or incomplete position.

BUICK — ATS, CAMARO, CTS, ENVISION, REGAL, TRAVERSE (2019) — 6 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates diagnostics and repairs in addition to what is already in Service Information. The concern this document is designed for is specific to some 2019 vehicles with 2.0 LTG engine exhibiting a misfire a

BUICK — ATS, CAMARO, CTS, ENVISION, REGAL, TRAVERSE (2019) — 12 vehicle combinations

060000 ENGINE (PWS)

This technical bulletin provides a procedure to correct a condition of engine runs rough, misfire or MIL Illuminated with P0300 set.

BUICK — 3500, 4500HD, 5500HD, 9-5, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 4500, LOW CAB FORWARD 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, N300, N300 MAX, ORLANDO, OUTLOOK, REGAL, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2020) — 532 vehicle combinations

100000 POWER TRAIN

This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

BUICK — ACADIA, ENCLAVE, TRAVERSE (2011–2017) — 21 vehicle combinations

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

This technical bulletin provides repair information to correct a customer concern of XM Radio Displays Willies Roadhouse on All Channels.

BUICK — ACADIA, BOLT EV, CT6, ENCLAVE, ESCALADE ESV, LACROSSE, MALIBU, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 4500HD, SUBURBAN, TAHOE, TRAVERSE, XT4, XT5, XT6, YUKON DENALI, YUKON XL (2014–2020) — 72 vehicle combinations

270000 LANE DEPARTURE

This Preliminary Information communication provides information to the technician about vehicles that may have Service Front Camera, Service Lane Departure Warning, and Service Lane Keep Assist Message. Technician may find Diagnostic Troubl

BUICK — 3500, 9-5, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G VAN BUS, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 5500, LUCERNE, MALIBU, N300, N300 MAX, ORLANDO, OUTLOOK, REGAL, S10, 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, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, W-SERIES, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2018) — 414 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicates the use of air leak diagnostic test tool CH-52250 in addition to the information found in the service manual.

BUICK — REGAL (2018–2019) — 2 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates to the customer that a vehicle enhancement was put into place which has eliminated the locking fuel filler door resulting in the door no longer locking when the doors are locked as well as the serv

BUICK — ATS, CAMARO, CT6, CTS, ENVISION, EQUINOX, MALIBU, REGAL, TERRAIN, VERANO (2013–2019) — 46 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble C

BUICK — ACADIA, ENCLAVE, LACROSSE, TERRAIN, XT4, XT5, XT6 (2018–2020) — 13 vehicle combinations

100000 POWER TRAIN

This informational bulletin advises the tech of a possible normal condition caused when the transmission performs a 1-2 upshift at light throttle and why the D in the PRNDL will flash.

BUICK — 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, B7, BLAZER, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CATERA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CONVENTIONAL, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, 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, LUCERNE, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAFARI, 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, SILVERADO 4500HD, 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, VENTURE, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2020) — 1106 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).