Technical Service Bulletins (TSB)

BUICK — ATS, CORVETTE, CT6, CTS, ENVISION, ESCALADE, ESCALADE ESV, MALIBU, SUBURBAN, TAHOE, VOLT, XTS, YUKON, YUKON XL (2016–2018) — 70 vehicle combinations

110100 ELECTRICAL SYSTEM:HORN

This informational bulletin provides information on Phantom Three Beeps or Horn Chirps Heard After Turning Off Vehicle and that it should be considered normal.

BUICK — LACROSSE, XT5 (2017–2019) — 10 vehicle combinations

100000 POWER TRAIN

This technical bulletin provides a procedure to adjust the automatic transmission range selector actuator hardware module if any of the conditions are present.

BUICK — CRUZE, ENCORE, SONIC, TRAX (2011–2018) — 50 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that have excessive oil consumption, blue smoke from the exhaust, or a Malfunction Indicator Lamp. Technician sho

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2018) — 22 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, BOLT EV, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, CT6, CTS, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, IMPALA, LACROSSE, MALIBU, REGAL, SIERRA 3500, SILVERADO 2500, SONIC, SPARK, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VOLT, XT5, XTS, YUKON DENALI (2018) — 32 vehicle combinations

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

This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, and displays are placed on restriction through the General Motors Technical Assista

BUICK — ACADIA, CAPTIVA, ENCLAVE, TRAVERSE (2013–2014) — 21 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This preliminary bulletin provides a revision of PI0962D to update parts information and add Canadian Parts Request Form.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2018) — 22 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 — LACROSSE (2018) — 3 vehicle combinations

060000 ENGINE AND ENGINE COOLING

18046 - Service Update. On certain vehicles, the motor generator unit (MGU) coolant hose may contact the battery power inverter module (BPIM). Customers may experience a coolant leak. Dealers are to install a shorter bolt. They should al

BUICK — ACADIA, CAPTIVA, ENCLAVE, TRAVERSE (2015) — 12 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This preliminary informational bulletin provides a procedure to reprogram the radio to correct the conditions of Intermittent Home Screen Icon/Navigation Overlay, Intermittent RVC Black Screen with Guidelines, Phone Pairing Not Included on

BUICK — ACADIA, ATS, ATS-V, AURA, AVALANCHE, CAMARO, CANYON, CAPRICE, CAPTIVA SPORT, COLORADO, CORVETTE, CRUZE, CT6, CTS, CTS-V, ENCLAVE, EQUINOX, ESCALADE ESV, EXPRESS, G6, G8, H2, IMPALA, LACROSSE, MALIBU, OUTLOOK, REGAL, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SONIC, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TORRENT, TRAVERSE, VUE, XLR, YUKON DENALI, YUKON XL (2006–2018) — 241 vehicle combinations

063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressive

BUICK — MALIBU, REGAL (2018) — 4 vehicle combinations

090000 FUEL SYSTEM, OTHER

This technical bulletin provides information for new software available to correct the reading of the fuel from dropping from full quickly after fill up.

BUICK — ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, OUTLOOK, 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, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2010–2018) — 363 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin was created to inform that any accessories that are installed from the GM factory will be covered under the standard vehicle warranty and dealer installed accessories will be covered for a full year (12 months).

BUICK — CRUZE, ENCORE (2016–2018) — 6 vehicle combinations

060000 ENGINE (PWS)

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

BUICK — 3500, 4500HD, 4500XD, 5500HD, ACADIA, ATS, AVEO, BLAZER, BOLT EUV, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CASCADA, CHEYENNE, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, HUMMER EV, IMPALA, LACROSSE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, MALIBU, N300, N300 MAX, ORLANDO, REGAL, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SONIC, SPARK, SPARK EV, SRX, SS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON XL (2015–2022) — 2290 vehicle combinations

060000 ENGINE (PWS)

This Bulletin provides graphics, information and guidelines for engine component wear that require repair and not engine replacement.

BUICK — ENCORE (2017) — 2 vehicle combinations

162200 STRUCTURE:BODY:BUMPERS

This technical bulletin provides a procedure to adjust the fender by loosening the bolts and reassembling everything to correct the condition of the fascia not fitting correctly.

BUICK — 3500, 9-7X, ACADIA, ASTRA, ATS, AURA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, BOLT EV, C SERIES, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, 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, G3, G5, G6, G8, GRAND PRIX, GTO, H2, H3, HHR, IMPALA, ION, LACROSSE, LESABRE, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, MONTE CARLO, N300, OUTLOOK, PURSUIT, RAINIER, REGAL, RELAY, RENDEZVOUS, S10, SAVANA, SIERRA, SIERRA 1500, SIERRA 2500, SIERRA DENALI, SILVERADO, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, 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, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2006–2018) — 614 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.

BUICK — ACADIA, ENCLAVE, TRAVERSE, XT5 (2017–2018) — 16 vehicle combinations

060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Vehicle No Start, Stalls Repeatedly and/or Smoke from Under Hood at Battery.

BUICK — IMPALA, LACROSSE, MALIBU, REGAL, XTS (2010–2018) — 31 vehicle combinations

160000 STRUCTURE

This Preliminary Information communication provides the technician with the steps to diagnose and repair the concern of mildew odor or water on front floor on either side of the vehicle. Technician will gain access to the front wheelhouse o

BUICK — ENVISION (2017)

114000 ELECTRICAL SYSTEM:WIRING

This Preliminary information communicates an area of the vehicle to inspect for a shorted wire. This shorted wirecan cause the service engine soon lamp to illuminate due to diagnostic troublecode P3055 being set.

BUICK — ENCLAVE (2018)

273000 LANE DEPARTURE: BLIND SPOT DETECTION

This technical bulletin provides a procedure to update the side object sensor modules to correct the customers concern.

BUICK — ENCORE (2013–2018) — 12 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Technical Bulletin describes how to avoid the A/C System from turning on when the vehicle is started and states that this a normal characteristic of the vehicle.

BUICK — REGAL (2018) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

18058 - Service Update. Certain vehicles may have been built with a missing high-speed controller area network (CAN) BUS bridge (jumper) wire at the body control module (BCM) connector. Vehicles without these circuits can have intermittent

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, CHEYENNE, 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 5500, LOW CAB FORWARD 6500, LUCERNE, MALIBU, MONTANA, N300, N300 MAX, ORLANDO, OUTLOOK, PURSUIT, 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, TORRENT, TRAILBLAZER, TRAVERSE, TRAX, UPLANDER, VERANO, VIBE, VOLT, VUE, W-SERIES, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2009–2018) — 477 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to properly reprogram an onstar module to correct a condition of Red LED, No WiFi Operation, and/or Limited OnStar? Module Functionality After OnStar Module Replacement for Another Condition.

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

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

This Preliminary information communicates additional diagnosticsand repairto assist in resolving a malfunction indicator lampillumination due to any combination of diagnostic trouble codes P0068 P0101 P0106 P0171 P0131 P0137 P0324 P0326 P03

BUICK — CRUZE, ENCORE, SONIC, TRAX (2013–2020) — 156 vehicle combinations

060000 ENGINE (PWS)

This informational bulletin provides information for dealers and technicians about the 1.4L and 1.8L turbocharged engines that use two different suppliers for the oil filter housing, which results in two different filters being used.