Technical Service Bulletins (TSB)

BUICK — 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, G3, G5, G6, G8, H2, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, MONTANA, 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, XLR, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2009–2018) — 427 vehicle combinations

060000 ENGINE (PWS)

This informational bulletin provides a revision for 09-06-04-015B (Vehicles Sitting Outside on Dealer Lots for Extended Periods with Hard Start/No Start Condition) to add the 2015-2018 model years.

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.

BUICK — REGAL (2018) — 2 vehicle combinations

350000 EQUIPMENT

This informational bulletin provides information on Auxiliary Pump Noise During Start/Stop Event and that this is considered a normal characteristic.

BUICK — ACADIA, ENCLAVE, LACROSSE, REGAL, TRAVERSE, XT5 (2018) — 6 vehicle combinations

062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM

This technical bulletin provides a procedure to check the temp sensor connection and program the ECM.

BUICK — ACADIA, ATS, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, REGAL, SRX, TERRAIN, TRAVERSE, XT5, XTS (2010–2018) — 113 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 — ACADIA, ENCLAVE, TRAVERSE (2012–2017) — 18 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information to the technician about vehicles that may have a knocking noise from the engine under light load while driving with engine speed between 1100 and 1800 rpm. Technician should us

BUICK — ACADIA, ATS, ATS-V, CAMARO, CANYON, CAPTIVA, COLORADO, CTS, ENCLAVE, EQUINOX, IMPALA, LACROSSE, SRX, TERRAIN, TRAVERSE, XTS (2013–2018) — 67 vehicle combinations

060000 ENGINE (PWS)

This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the

BUICK — ENCLAVE, LACROSSE, TERRAIN (2018) — 21 vehicle combinations

100000 POWER TRAIN

This technical bulletin provides a procedure to replace the transmission valve body separator plate for an upshift condition.

BUICK — LACROSSE, SIERRA, SILVERADO (2017–2018) — 5 vehicle combinations

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

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 — ENCORE (2013–2017) — 15 vehicle combinations

030000 SERVICE BRAKES, HYDRAULIC

This technical bulletin provides a procedure to replace the rear brake pads to correct a condition of a moan noise in the rear brake pads at first apply due to an internal concern regarding the pads that were initially installed on the vehi

BUICK — ENCORE, TRAX (2013–2016) — 24 vehicle combinations

105500 POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

This technical bulletin advises the technician to replace the rear diff carrier if heavy corrosion caused noise, cracking and/or leaking to correct the customers concerns.

BUICK — 3500, ACADIA, ATS, AVALANCHE, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COLORADO, CORVETTE, CRUZE, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, ESCALADE EXT, EXPRESS, G8, GRAND PRIX, H2, H3, IMPALA, LACROSSE, LOW CAB 4500, LUCERNE, 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, STS, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, TRAX, VERANO, VOLT, XT5, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON XL (2005–2018) — 772 vehicle combinations

060000 ENGINE (PWS)

This informational bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2 9U.S. and Canada

BUICK — ENCLAVE, TRAVERSE (2018) — 6 vehicle combinations

100000 POWER TRAIN

This technical bulletin provides a procedure to replace the rear differential assembly if found to be the cause of the noises heard while in FWD.

BUICK — LACROSSE, MALIBU (2016–2017) — 8 vehicle combinations

110000 ELECTRICAL SYSTEM

This Technical bulletin explains how the airbag electrical connector may not be installed completely and may need to be re connected to correct the codes that were set.

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT6, CTS, LACROSSE, XT5 (2016–2018) — 44 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 — 3500, ACADIA, ATS, AVALANCHE, AVEO, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, 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, LOW CAB FORWARD 6500, LUCERNE, 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 (2012–2018) — 288 vehicle combinations

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides information on Dealer Empowerment Labor Operations and Customer Enthusiasm.

BUICK — CRUZE, ENCORE, EQUINOX, MALIBU, TERRAIN (2018–2020) — 29 vehicle combinations

100000 POWER TRAIN

This informational bulletin explains a normal characteristic of a trans shift when cold temps are present.

BUICK — ACADIA, CAMARO, CANYON, COLORADO, CORVETTE, CRUZE, ENCLAVE, ENCORE, EQUINOX, LACROSSE, MALIBU, TRAVERSE, VOLT, XT5, XTS (2016–2018) — 27 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 — ENCORE, SONIC, TRAX (2017–2018) — 6 vehicle combinations

060000 ENGINE (PWS)

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Oil Leak and/or Oil Burning Smell.

BUICK — ENCORE (2018)

130000 VISIBILITY

This Preliminary information communicates of the left side blind zone indicator comes on randomly with no objects present that engineering is currently working on the issue and that the PI will be updated with a repair is available.

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

100000 POWER TRAIN

This Preliminary Information communication advises the technician the AF50 AISIN 8 Speed Transmission and TCM are no longer onexchange.

BUICK — ACADIA, ENCLAVE, TRAVERSE, XT5 (2017–2019) — 56 vehicle combinations

010000 STEERING

This technical bulletin provides procedures for How to Determine if Wheel to Rotor Interface Click Noise is Present to correct conditions of Clicking Noise from Front of Vehicle with Wheels Straight Ahead on Acceleration Tip In/Tip Out or W

BUICK — ACADIA, ENCLAVE, TRAVERSE, XT5, XTS (2017–2019) — 42 vehicle combinations

023000 SUSPENSION:MULTIPLE AXLE

This technical bulletin provides a procedure to replace the axle nuts and washers if a clicking noise is heard on turns from the front.

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

100000 POWER TRAIN

This Preliminary information communicates if a slight shudder is felt during a shift at speeds of 40 MPH or below to perform a transmission fluid drain and fill.

BUICK — ENVISION (2016–2017) — 4 vehicle combinations

162300 STRUCTURE:BODY:DOOR

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Rattle, Crackling, or Static Noise Originating from Front Door Speakers.