Technical Service Bulletins (TSB)

BUICK — ACADIA, ATS, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, REGAL, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SRX, SUBURBAN, TAHOE, TRAVERSE, VOLT, XT5, XTS, YUKON, YUKON XL (2013–2018) — 129 vehicle combinations

284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

This informational bulletin provides a diagnostic tip for rear vision camera image that is grainy, distorted and/or pixelated

BUICK — REGAL (2018)

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This New Model Feature Informational Bulletin provides General Information, Training Courses Information, Special Tools Information and other Topics to help the Service and Sales Personnel become familiar with the features of the 2018 Buick

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, H2, H3, HHR, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB FORWARD 4500, LOW CAB FORWARD 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, N300, N300 MAX, ORLANDO, OUTLOOK, PURSUIT, REGAL, 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, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, WAVE, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2009–2018) — 451 vehicle combinations

350000 EQUIPMENT

This bulletin describes the Dealer special tool loan program process.

BUICK — ACADIA, AURA, CAMARO, CTS, ENCLAVE, EQUINOX, G6, G8, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE (2007–2011) — 124 vehicle combinations

060000 ENGINE AND ENGINE COOLING

THis bulletin provides information on new saddle cap design cylinder heads and usage.

BUICK — ENCORE, MALIBU, TRAX (2016–2018) — 7 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Informat

BUICK — ENCORE (2017)

353000 EQUIPMENT:ELECTRICAL

This technical bulletin provides a procedure to replace the ambient air temperature sensor with the correct one due to the plant installing the incorrect one causing a Malfunction Indicator Lamp (MIL) Illuminated and DTC P0071 Set at PDI.

BUICK — ACADIA, AVALANCHE, CORVETTE, CTS, DTS, ENCLAVE, EQUINOX, ESCALADE, EXPRESS, G8, H2, IMPALA, LUCERNE, MONTE CARLO, OUTLOOK, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SRX, SUBURBAN, TAHOE, TORRENT, TRAVERSE, VUE, YUKON (2005–2017) — 206 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication a diagnostic tip if the high speed lan bus is shorted to ground, which can cause the BCM to appear off line.

BUICK — ACADIA, BOLT EV, CT6, ESCALADE, LACROSSE, MALIBU, SIERRA 1500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, XT5, YUKON (2016–2018) — 64 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates a false setting of DTCU0121 in the FVCM due to a FVCM software anomaly. Code U0121 will set and be moved to history in the FVCM with each ignition cycle.

BUICK — CAMARO, CRUZE, ENCORE, EQUINOX, IMPALA, LACROSSE, MALIBU, REGAL, SONIC, SPARK, TERRAIN, TRAX, VERANO (2010–2017) — 80 vehicle combinations

116000 ELECTRICAL SYSTEM:IGNITION

This Preliminary Information communication provides information to the technician about vehicles that the keyless entry is inoperative. Technician should inspect the ignition key cylinder door sticks in the up position. If the door is found

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, VOLT, XT5, XTS, YUKON (2016–2018) — 112 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

BUICK — ACADIA, CT6, ENCLAVE, ENVISION, EQUINOX, LACROSSE, TERRAIN, XT5 (2017–2018) — 13 vehicle combinations

353000 EQUIPMENT:ELECTRICAL

This Preliminary information communicates to the technician, that they may be working on a concern of a Service Driver Assist System Message with B172E stored in history Do not replace any parts. Engineering is aware of the issue and a new

BUICK — LACROSSE, MALIBU, REGAL, VOLT (2016–2018) — 9 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates that engineering has found a fix for P3260.

BUICK — 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, CT6, CTS, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, ENVOY XUV, 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, ORLANDO, OUTLOOK, PARK AVENUE, PURSUIT, 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, SUNFIRE, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, WAVE, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2018) — 1362 vehicle combinations

060000 ENGINE (PWS)

This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCORE, ENVISION, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, VOLT, XT5, XTS, YUKON, YUKON XL (2016–2017) — 184 vehicle combinations

110000 ELECTRICAL SYSTEM

This Technical bulletin provides a procedure for radio replacement due to the radio tuner module being bad.

BUICK — 3500, ACADIA, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CHEYENNE, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, F SERIES, G VAN BUS, HHR, IMPALA, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, ORLANDO, RAINIER, REGAL, RENDEZVOUS, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VOLT, W-SERIES, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006–2018) — 1149 vehicle combinations

350000 EQUIPMENT

This informational bulletin provides a listing of the parts availability for coax repair procedures and what is needed to complete some repairs.

BUICK — ENVISION (2016–2018) — 3 vehicle combinations

220000 SEATS

This technical bulletin provides a procedure to install BRS tape on the rear seat to correct a condition of a rattle noise due to the seat coming in contact with the seat frame.

BUICK — LACROSSE (2017) — 2 vehicle combinations

010000 STEERING

17415-Service Update. Certain vehicles may have a condition in which the inner front-of-dash seal for the steering shaft may not be properly installed. If this condition is present water could accumulate inside the lower steering boot and,

BUICK — CRUZE, ENCORE, MALIBU (2016–2017) — 6 vehicle combinations

061120 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER

This Preliminary Information is to assist in the isolation of a rattle noise from the turbocharger wastegate actuator rod.

BUICK — ACADIA, CAMARO, CANYON, COLORADO, LACROSSE, XT5 (2017) — 6 vehicle combinations

060000 ENGINE (PWS)

This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTC P0171 and/or P0174.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, IMPALA, LACROSSE, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TRAVERSE, VOLT, XT5, XTS, YUKON (2016–2018) — 112 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that in the radio settings some of the vehicle personalization selections within the Comfort and Convenience menu are missing at times. Technic

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

284000 BACK OVER PREVENTION: CAMERA SYSTEM

This Preliminary information communicates concern with the rear vision camera or surround vision camera image

BUICK — CASCADA (2017–2018) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to replace the engine cover and perform an ECM update if the engine cover is found discolored.

BUICK — 3500, 4500 SERIES, 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, 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, F-SERIES, FIREBIRD, G3, G5, G6, G8, GM, GRAND AM, GRAND PRIX, GTO, H SERIES, H-SERIES, H2, H3, HHR, HOMBRE, I-290, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, LUMINA, LW200, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, N SERIES, N300, N300 MAX, OPTRA, OUTLOOK, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, RODEO, S10, SAFARI, SAFARI (GMC), SAVANA, SC, SC1, 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, SW, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRACKER, TRAILBLAZER, TRANS SPORT, TRAVERSE, TRAX, TROOPER, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, W SERIES, W-SERIES, XL7, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2018) — 1143 vehicle combinations

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odomete

BUICK — ENCLAVE, TRAVERSE (2018) — 7 vehicle combinations

110000 ELECTRICAL SYSTEM

This informational bulletin provides information on tail lamp harness replacement to correct the rear turn signal flashing fast.

BUICK — IMPALA, LACROSSE, XTS (2015–2017) — 16 vehicle combinations

221300 SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

This technical bulletin provides a procedure to install a clip on the head rest j-clip to correct a condition of the head rest material coming loose due to the j-clip not being robust enough to retain the material down.