Technical Service Bulletins (TSB)

BUICK — REGAL (2018)

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

18248 - Service Update - Certain 2018 Buick Regal vehicles with C4 clusters and RPO IOT radios do not provide a ?Speed Sign? in the cluster display. This feature needs to be calibrated onto the radio. Vehicle needs to be re-calibrated to

BUICK — CANYON, COLORADO, CRUZE, ENVISION, EQUINOX, IMPALA, MALIBU, REGAL (2017–2018) — 14 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates that acustomer may complain of the Driver Information Center(DIC) intermittently flickering or going blank. It may be noted that this only seems to occur when playing songs via IHeart or Pandora. Th

BUICK — LACROSSE, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500 (2016–2018) — 7 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CRUZE, CT6, CTS, EQUINOX, LACROSSE, MALIBU, TERRAIN, VOLT (2018) — 13 vehicle combinations

110000 ELECTRICAL SYSTEM

Emission Recall. Customer Mailing completed September 4, 2018.

BUICK — ACADIA, ATS, CAMARO, CT6, CTS, LACROSSE, XT5 (2016–2018) — 18 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicates a possible noise from the water pump causing a DTC and the diagnostics for the repair.

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, 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) — 822 vehicle combinations

350000 EQUIPMENT

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 — LACROSSE, MALIBU, REGAL (2016–2018) — 18 vehicle combinations

060000 ENGINE (PWS)

Special Coverage. Certain vehicles may have a condition which affects the electrical connection to one of the vehicle?s accelerator pedal position sensors. If this electrical connection is interrupted, the accelerator pedal will still fun

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, SPARK, TERRAIN, VOLT (2016–2018) — 34 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician related to vehicles that have a Malfunction Indicator Lamp on. A technician may find Diagnostic Trouble Code P050D set as current or history. The technician i

BUICK — ENCLAVE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500, SILVERADO 4500HD, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, YUKON DENALI (2016–2019) — 33 vehicle combinations

270000 LANE DEPARTURE

This Preliminary Information communication provides information to the technician with additional information on the functionality of Lane Keep Assist.Starting with2016 model year Lane Keep Assist Regular Production Option Code (UHX) replac

BUICK — ACADIA, ATS, CRUZE, CTS, ENVISION, IMPALA, LACROSSE, MALIBU, REGAL, VOLT, XT5, XTS (2011–2019) — 124 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication provides the technician with information on the proper washing of the bright aluminum moldings to avoid the moldings from getting damaged. It is recommended that a non-alkaline solution be used for

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, REGAL, XT5 (2016–2019) — 32 vehicle combinations

060000 ENGINE (PWS)

This Preliminary information communicates possible concerns and a diagnostic strategy to locate and repair various noises within the engine as well as some misfire causes.

BUICK — ACADIA, ATS, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, REGAL, SRX, TERRAIN, TRAVERSE, XT5, XTS (2010–2019) — 252 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon and may also have an oil or coolant leak. Technician may find coolant or oil in a spark plug tube. If the Spark

BUICK — ENCLAVE, TRAVERSE (2018) — 12 vehicle combinations

100000 POWER TRAIN

This informational bulletin provides information for software update and transmission flush to correct a slight shutter felt during gear shift.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2019) — 30 vehicle combinations

060000 ENGINE (PWS)

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. Changes to P

BUICK — ACADIA, ATS, AURA, BUICK, CAMARO, CANYON, COLORADO, CTS, ENCLAVE, EQUINOX, G6, G8, IMPALA, LACROSSE, MALIBU, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XTS (2004–2019) — 306 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If

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, BUICK, C SERIES, CADILLAC, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CATERA, CAVALIER, CENTURY, CHEVROLET, 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, GMC, GRAND AM, GRAND PRIX, GTO, H SERIES, H2, H3, HHR, IMPALA, INTRIGUE, ION, ISUZU, 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, SAAB, SAFARI, SAFARI (GMC), SATURN, 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) — 1083 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blo

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CRUZE, CT6, CTS, EQUINOX, LACROSSE, MALIBU, TERRAIN, VOLT (2018) — 13 vehicle combinations

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

18239 - Emissions Recall - General Motors has decided to conduct a Voluntary Emission Recall involving certain 2018 model year vehicles, equipped with 4-cylinder engines (RPO LHN, LEX, L3A, LYX, LKN, LE2, LCV or LTG). On some vehicles, an

BUICK — LACROSSE, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 2500 (2016–2018) — 14 vehicle combinations

100000 POWER TRAIN

This Preliminary Information communication advises the technician that the Technical Assistance Center TAC has a part restriction for the hybrid/EV battery Pack, Hybrid/EV Powertrain Control Module (HPCM2), High Voltage Battery Interface Co

BUICK — LACROSSE (2018)

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician about vehicles that may have Circular Distortion in the Circle Icons and the Buick Tri-Shield Start Up Screen on the radio display. Dealer should advise the c

BUICK — ATS, CT6, CTS, ENCLAVE, LACROSSE, REGAL, TRAVERSE, XT5 (2016–2018) — 16 vehicle combinations

350000 EQUIPMENT

This Preliminary information communicates there is an investigation into cause and correction for this group of DTC's setting together. (P0011, P0014, P0021, P0024).

BUICK — CAMARO, CRUZE, ENCORE, EQUINOX, LACROSSE, MALIBU, REGAL, SS, TERRAIN, VOLT (2012–2017) — 74 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary Information communication provides information to the technician about the rear view camera options on the vehicles equipped with rear view camera. The rear view camera brightness can be adjusted on some models while the tr

BUICK — ATS, CAMARO, CT6, CTS, ENVISION, EQUINOX, MALIBU, REGAL, TERRAIN, VERANO (2013–2019) — 39 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, ATS, CAMARO, CANYON, CAPTIVA, CAPTIVA SPORT, COLORADO, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN, TRAVERSE, XTS (2010–2018) — 184 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have oil mixed in with the engine coolant. Technician will need to inspect the oil cooler if equipped fo

BUICK — 3500, ACADIA, ATS, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CHEYENNE, 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, ORLANDO, REGAL, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2013–2018) — 810 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication provides information to the technician on how to tell the difference between the integrated center stack, the radio, the human machine interface, and the vehicle communication interface module. The

BUICK — ACADIA, BOLT EV, CT6, ESCALADE, LACROSSE, MALIBU, SIERRA, SIERRA 1500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SUBURBAN, TAHOE, XT5, YUKON (2014–2018) — 120 vehicle combinations

271000 LANE DEPARTURE: WARNING

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