Technical Service Bulletins (TSB)

BUICK — LACROSSE, MALIBU, REGAL, XT4 (2016–2019) — 10 vehicle combinations

010000 STEERING

This engineering informational bulletin is requesting to gather information from the field to determine a root cause for a condition of a stick-Slip Type Condition Felt in Steering Wheel at Highway Speeds. The information gathered will be u

BUICK — ENCLAVE, TRAVERSE (2018–2019) — 4 vehicle combinations

160000 STRUCTURE

This technical bulletin provides repair information to correct a customer concern of Service Engine Soon (SES) Lamp Illuminated, and technician finding DTC U1345 set.

BUICK — ACADIA, ATS, BLAZER, CAMARO, CANYON, COLORADO, CT6, CTS, ENVISION, EQUINOX, IMPALA, LACROSSE, MALIBU, REGAL, TERRAIN, TRAVERSE (2013–2019) — 72 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicates to the technician information on what may be setting DTC P06DE. This is in addition to what is already in the service manual.

BUICK — ENVISION, EQUINOX, TERRAIN (2018–2020) — 44 vehicle combinations

030000 BRAKES (PWS)

This technical bulletin provides repair information to correct a customer concern of Service Calibration for Service ESC and/or Service Park Brake Messages.

BUICK — LACROSSE, XT5 (2017) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about vehicles that have Service Engine Soon on, a ?Service Transmission Now, Unable to Shift Soon? message or possibly the vehicle will not shift out of park

BUICK — 9-3, 9-5, 9-7X, ACADIA, ALERO, ASTRA, ASTRO, ATS, AURA, AURORA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BONNEVILLE, BRAVADA, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CATERA, CAVALIER, CENTURY, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CTS, DEVILLE, DTS, ELDORADO, ELR, ENCLAVE, ENCORE, 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, GRAND AM, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, INTRIGUE, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LUCERNE, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, OUTLOOK, P SERIES, PARK AVENUE, PRIZM, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, RIVIERA, S10, SAFARI, SAVANA, SEVILLE, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKY, SOLSTICE, SONIC, SONOMA, SPARK, SPARK EV, SRX, 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, XLR, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2015) — 671 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade.

BUICK — ACADIA, CAPRICE, CASCADA, CRUZE, ENCLAVE, ENCORE, IMPALA, SS (2016–2018) — 13 vehicle combinations

060000 ENGINE AND ENGINE COOLING

N192210240 - Special Coverage Adjustment - Certain vehicles shown above, may have a condition that could cause the evaporative emissions purge valve to not fully close. If this condition occurs, the engine could run rough, hesitate or stal

BUICK — ACADIA, ALLURE, ATS, AURA, CAMARO, CANYON, COLORADO, CTS, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XTS (2007–2019) — 143 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates the repair recommendations for misfire in HFV6 re-manufactured engines.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, ENVISION, IMPALA, MALIBU, REGAL (2013–2017) — 35 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates additional diagnostics and repair to assist in resolving a malfunction indicator lamp illumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326

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, I-290, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 4500, 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

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to sen

BUICK — ENCLAVE, TRAVERSE (2020) — 2 vehicle combinations

274200 LANE DEPARTURE: LANE KEEP: STEERING ASSIST

This Preliminary information communicates information on adaptive cruise temporarily unavailable message and/or lane keep assist system unavailable message .

BUICK — ACHIEVA, ALERO, ALERO EXPORT, ASTRO, AURORA, AVALANCHE 1500, AVALANCHE 2500, AZTEK, B6 MEDIUM DUTY, B7, B7 CHASSIS, B7 MEDIUM DUTY, BERETTA, BLAZER, BONNEVILLE, BRAVADA, BUS CHASSIS, CAMARO, CAPRICE, CATERA, CAVALIER, CENTURY, CHEVY VAN, CONVENTIONAL, CORSICA, CORVETTE, CREW CAB, CUTLASS, DEVILLE, ELDORADO, ENVOY, ESCALADE, ESCALADE EXT 1500, EXPRESS, FIREBIRD, FLEETWOOD, G SERIES, G VAN, G VAN BUS, GM, GMC TRUCK, GRAND AM, GRAND PRIX, H SERIES, IMPALA, INTRIGUE, JIMMY, L SERIES, LESABRE, LUMINA, LUMINA APV, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTANA EXT, MONTE CARLO, P, P SERIES, P3, P30 CHASSIS, PARK AVENUE, PICKUP, PRIZM, REGAL, RENDEZVOUS, RIVIERA, ROADMASTER, S PICKUP, S/T PICKUP, S10, S10 PICKUP, SAFARI, SAFARI (GMC), SAVANA, SEVILLE, SILHOUETTE, SILVERADO 1500 HD, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 3500 HD, SKYLARK, SL, SONOMA, SUBURBAN, SUNBIRD, SUNFIRE, TAHOE, TRACKER, TRAILBLAZER, TRANS SPORT, V SERIES, VENTURE, VUE, W SERIES, W-SERIES, YUKON, YUKON DENALI, YUKON XL (1994–2002) — 524 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

BUICK — ACADIA, ATS, BLAZER, BOLT EV, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE ESV, MALIBU, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XTS, YUKON DENALI, YUKON XL (2013–2020) — 164 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 — 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 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) — 1076 vehicle combinations

353000 EQUIPMENT:ELECTRICAL

This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technician

BUICK — BLAZER, ENCLAVE, ENVISION, EQUINOX, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, XT4, YUKON DENALI, YUKON XL (2016–2020) — 51 vehicle combinations

010000 STEERING

This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist. Starting with 2016 model year Lane Keep Assist Regular Production Option Code (UHX) repl

BUICK — ENCLAVE, TRAVERSE (2019) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates a concern with porosity in the cylinder head casting causing coolant to get into the oil and steps to find and repair it.

BUICK — 3500, ACADIA, ATS, CAMARO, CANYON, CAPRICE, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CT6, CTS, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SIERRA 2500, SIERRA DENALI, SILVERADO 2500, SONIC, SPARK EV, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON XL (2016–2017) — 42 vehicle combinations

110000 ELECTRICAL SYSTEM

This Technical Bulletin provides procedures to upgrade a vehicle with the Android Auto feature for 2016 and 2017 Model Year vehicles.

BUICK — 9-7X, BRAVADA, ENVOY, ENVOY XL, ENVOY XL 370, ENVOY XUV, RAINIER, TRAILBLAZER, TRAILBLAZER EXT, TRAILBLAZER EXT 370 (2002–2009) — 40 vehicle combinations

357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER

This Preliminary information communicates the normal operation of the CJ2 automatic HVAC system

BUICK — ACADIA, ENCLAVE, MALIBU, TRAVERSE, XT5 (2016–2019) — 19 vehicle combinations

220000 SEATS

This engineering information (EI) closure ends the need for information from the field for a condition of drivers seat track will not adjust forward and/or backwards and becomes seized.

BUICK — 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BLAZER, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, CLASSIC, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, ENVOY, ENVOY XL, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, EXPRESS, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LESABRE, 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, SILVERADO 4500HD, SKY, SOLSTICE, SONIC, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, T SERIES, TAHOE, TERRAIN, TERRAZA, TOPKICK, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006–2020) — 676 vehicle combinations

110000 ELECTRICAL SYSTEM

This preliminary information bulletin provides information om Service Programming System (SPS) Error Codes E4398, E4399, E4403, M4404, M4413, E4414, E4423, E4491 or E6961).

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

350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of the glove box (I/P compartment) misaligned, gapping concern.

BUICK — 3500, 4500HD, 5500HD, 9-3, 9-5, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, 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 6500, LUCERNE, MALIBU, N300 MAX, OUTLOOK, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, 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 (2010–2021) — 968 vehicle combinations

350000 EQUIPMENT

This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).

BUICK — ACADIA, BLAZER, ENCLAVE, EQUINOX, SIERRA 1500, SILVERADO 1500, TERRAIN, TRAVERSE, XT4, XT5 (2018–2019) — 14 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles headrest monitors shutting off intermittently when closing driver door. Dealers should not replace any parts for this concern. Dealers should c

BUICK — CANYON, COLORADO, ENVISION, EQUINOX, TERRAIN (2018–2019) — 10 vehicle combinations

030000 BRAKES (PWS)

This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely and advises engineering is investigating the concern.

BUICK — ACADIA, ATS, AVALANCHE, BLAZER, CAMARO, CANYON, CAPRICE, CASCADA, COLORADO, CORVETTE, CT4, CT5, CT6, CTS, DTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, GRAND PRIX, H2, H3, IMPALA, LACROSSE, MALIBU, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2020) — 365 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.