Technical Service Bulletins (TSB)

BUICK — ACADIA, ATS, CRUZE, CT6, CTS, ENCORE, ENVISION, MALIBU, XT5 (2016–2017) — 18 vehicle combinations

116000 ELECTRICAL SYSTEM:IGNITION

This preliminary informational bulletin provides information regarding the need to relearn the auto/start and stop feature on vehicles equipped after a repair has been completed on the vehicle.

BUICK — ACADIA, ENCLAVE, TRAVERSE (2013–2017) — 30 vehicle combinations

140000 AIR BAGS

This informational bulletin provides information on the inboard seat airbag is mounted in this area and creates a slightly different contour of the seat causing an appearance concern, and that this should be considered normal and no parts s

BUICK — 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, MALIBU, N300, N300 MAX, ORLANDO, REGAL, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON XL (2017–2018) — 102 vehicle combinations

200000 WHEELS

This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.

BUICK — LACROSSE, MALIBU, SIERRA, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 2500 (2016–2018) — 24 vehicle combinations

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

This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement.

BUICK — ATS, CTS, REGAL, TERRAIN, XTS (2018) — 10 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find Diagnostic Trouble Codes that apply to components that the vehicle is not equipped with, c

BUICK — ACADIA, ATS, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, MALIBU, N300 MAX, ORLANDO, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2013–2017) — 214 vehicle combinations

092100 FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP

This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu

BUICK — ENCORE, TRAX (2016–2022) — 31 vehicle combinations

060000 ENGINE (PWS)

This service bulletin provides repair procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions for LE2 Engines, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated.

BUICK — ACADIA, BOLT EV, CT6, ESCALADE, LACROSSE, MALIBU, SIERRA, SIERRA 1500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, XT5, YUKON (2014–2017) — 56 vehicle combinations

131000 VISIBILITY:WINDSHIELD

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

BUICK — ACADIA, ATS, CT6, CTS, ENVISION, LACROSSE, XT5, XTS (2015–2017) — 48 vehicle combinations

010000 STEERING

This Preliminary Information communicates to thetechnician that some customers may comment on the operation of their haptic seat during a Lane Keep Assist event. Lane Keep Assist works differently than Lane Departure Warning. The Lane Keep

BUICK — ACADIA, ATS, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, MALIBU, N300, N300 MAX, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2013–2017) — 219 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicatesIn ambient temperatures 100F (37.7 C)degrees or higher, DTCs P2635 and/or P018B may set.The vehicle may also exhibit a hesitation or stalling condition.Excessively Hot and sustained ambient temperatu

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2017) — 13 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017.

BUICK — ENCORE, TRAX (2016–2017) — 4 vehicle combinations

356000 EQUIPMENT ADAPTIVE/MOBILITY

This Preliminary information communicates the location of the antenna during the Pre-Delivery Inspection process. Technician will find the antenna on the left hand trim pocket.

BUICK — LACROSSE (2017) — 3 vehicle combinations

100000 POWER TRAIN

17176 - Service Update. On certain vehicle the transmission cooler line seal may not have been pierced when the transmission cooler lines were connected to the transmission. This could cause a lack of fluid flow, resulting in damaged trans

BUICK — ACADIA, ATS, ATS-V, AVEO, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, DENALI, ELR, ENCLAVE, ENCORE, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, MALIBU, N300, REGAL, SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TAHOE POLICE PURSUIT, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2015) — 180 vehicle combinations

110000 ELECTRICAL SYSTEM

15086A - Customer Satisfaction Program. On certain passenger cars and light duty trucks, equipped with Gen 10 OnStar?, the embedded phone flash memory chip may become corrupted, causing the OnStar? system to become inoperative. Dealers a

BUICK — ATS, CAMARO, CT6, CTS, ENVISION, EQUINOX, MALIBU, REGAL, VERANO (2013–2018) — 35 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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, CAPTIVA, ENCLAVE, EXPRESS, SAVANA, TRAVERSE (2013–2016) — 15 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician that when the installation of the navigation map update outlined in bulletin 16NA328 or after, may encounter an Invalid Product Update message. Technician wil

BUICK — ACADIA, ATS, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, MALIBU, N300, N300 MAX, 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 (2016–2017) — 94 vehicle combinations

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

This Preliminary Information communication provides information to the technician about vehicles that the radio will not retain the previous settings and will go to the Home Icon screen when the vehicle is restarted. Dealer should communica

BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2018) — 24 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided

BUICK — 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, 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, LS, LUCERNE, LUMINA, LW200, M SERIES, M VAN, M/L VAN, MALIBU, METRO, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, 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 C3 3500, W-SERIES, XL7, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2000–2018) — 1034 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the

BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2018) — 24 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vehicles that may have a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Codes P0299 or P0234 set. The technician is provided

BUICK — ACADIA, ATS, ATS-V, AURA, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, COLORADO, CT6, CTS, CTS-V, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XT5, XTS (2007–2018) — 157 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that have a knock noise, seized engine, lower end squeak or squeal from the engine. Technician will inspect the oil control solenoids for metal

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2017) — 13 vehicle combinations

354000 EQUIPMENT:MECHANICAL

This Preliminary information communicates diagnostic tips for misfires on active fuel management cylinders and engineering investigations into cylinder 6 misfire on XT5 and cylinder 4 misfire on LaCrosse both of which are 2017.

BUICK — ACADIA, ALLURE, ATS, AURA, CAMARO, CAPRICE, CAPTIVA, CAPTIVA SPORT, CTS, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XTS (2004–2016) — 144 vehicle combinations

113000 ELECTRICAL SYSTEM:STARTER ASSEMBLY

This Preliminary Information communication provides information to the technician about vehicles that have a ticking noise on cold start after sitting more than 6 hours. Technician will inspect the oil pump pick-up tube to block seal being

BUICK — EQUINOX, LACROSSE, REGAL, TERRAIN (2010–2011) — 21 vehicle combinations

060000 ENGINE (PWS)

12313D - Special Coverage. On some vehicles, equipped with a 2.4L engine (RPO LAF), the chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause t

BUICK — CRUZE, ENCORE (2016–2017) — 4 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vehicles that may be running rough with a Malfunction Indicator Lamp on. The technician may find Diagnostic Trouble Code P0300 set. The technician will