Technical Service Bulletins (TSB)

BUICK — ENCORE GX, ENVISTA, TRAILBLAZER, TRAX (2024) — 4 vehicle combinations

210000 TRAILER HITCHES

This Preliminary information communicates to the dealer on what to do if a loose or missing tow eye bolt cover is found.

BUICK — ENCORE GX, TRAILBLAZER (2023) — 4 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) Lite closure ends the need for requesting technicians to use the steps in the Field Product Report (FPR) App in regard customers finding engine oil under the vehicle.

BUICK — ENCORE GX, MALIBU, TRAILBLAZER (2020–2023) — 99 vehicle combinations

100000 POWER TRAIN

This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2021–2022) — 12 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of an Intermittent Check Engine Lamp On with Various DTCs Set.

BUICK — ENCORE GX, ENVISTA, TRAILBLAZER, TRAX (2024) — 10 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of Service Front Camera Message Intermittently Displayed on the DIC.

BUICK — ACADIA, ATS, AURA, AVALANCHE, BLAZER, BOLT EV, CAMARO, CANYON, CAPRICE, CAPTIVA, CAPTIVA SPORT, CASCADA, CITY EXPRESS, COBALT, COLORADO, CORVETTE, CRUZE, CT4, CT5, CT6, CTS, DTS, ELR, ENCLAVE, ENCORE, ENVISION, EQUINOX, ESCALADE, ESCALADE ESV, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY VAN, G5, G6, H3, HHR, IMPALA, LACROSSE, LUCERNE, MALIBU, OUTLOOK, REGAL, SAVANA, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO LT, SKY, SOLSTICE, SONIC, SPARK, SRX, SS, STS, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX, VERANO, VIBE, VOLT, VUE, XT4, XT5, XT6, XTS, YUKON (2010–2022) — 468 vehicle combinations

020000 SUSPENSION

This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the

BUICK — ENCORE, MALIBU, TRAILBLAZER (2019–2023) — 12 vehicle combinations

350000 EQUIPMENT

This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2022–2023) — 12 vehicle combinations

100000 POWER TRAIN

This bulletin provides a procedure to inspect and replace the torque tube to correct a customer concern of a Ratcheting Type Noise Heard from Under the Vehicle when Disengaging All Wheel Drive (AWD).

BUICK — ACADIA, ATS, BLAZER, BOLT EV, CANYON, COLORADO, CT6, CTS, ENCLAVE, EQUINOX, ESCALADE, ESCALADE ESV, HUMMER EV, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SILVERADO LT, SUBURBAN, TAHOE, TERRAIN, TRAVERSE, VOLT, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON XL (2013–2024) — 173 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 — ENCLAVE, TRAVERSE (2023) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) Lite ends the need for gathering further information from technicians to use the steps in Field Product Report (FPR) App in regard to engine coolant found under vehicle.

BUICK — ACADIA, BLAZER, BOLT EUV, BOLT EV, CAMARO, CORVETTE, CT4, CT5, CT6, ENCLAVE, ENCORE GX, ENVISION, EQUINOX, MALIBU, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, TERRAIN, TRAILBLAZER, TRAVERSE, XT4, XT5, XT6, YUKON, YUKON XL (2021–2023) — 74 vehicle combinations

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will st

BUICK — BOLT EUV, BOLT EV, ENVISTA, TRAX (2022–2024) — 6 vehicle combinations

116320 ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR

Translation of engineering terms to service terms found in the service programming system during Immobilizer System Component Programming.

BUICK — ENCORE GX, MALIBU, TRAILBLAZER (2019–2024) — 15 vehicle combinations

100000 POWER TRAIN

This informational bulletin explains how to check if the pulley and/or drive chain has any damage caused by low fluid or a code set that causes the transmission to default maxing out pressure.

BUICK — 3500, 3500HD, 4500, 4500HD, 4500XD, 5500HD, 5500XD, 6500HD, 9-2X, 9-3, 9-5, 9-7X, ACADIA, ALERO, ALLURE, ASTRA, ASTRO, ATS, ATS-V, AURA, AURA HYBRID, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, AVEO, AZTEK, BLAZER, BLAZER EV, BOLT EUV, BOLT EV, BONNEVILLE, BRAVADA, C SERIES, C3500, C4500, C5500, C6500, C7500, C8500, CAMARO, CANYON, CAPRICE, CAPRICE POLICE PURSUIT, CAPTIVA, CAPTIVA SPORT, CASCADA, CAVALIER, CENTURY, CITY EXPRESS, CLASSIC, COBALT, COBALT SS, COLORADO, CORVETTE, CORVETTE Z06, CORVETTE ZR1, CRUZE, CT4, CT5, CT6, CTS, CTS-V, DENALI, DEVILLE, DTS, ELR, ENCLAVE, ENCORE, ENCORE GX, ENVISION, ENVISTA, ENVOY, ENVOY 360, ENVOY DENALI, ENVOY DENALI XL, ENVOY XL, ENVOY XL 370, ENVOY XUV, EPICA, EQUINOX, EQUINOX EV, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, EXPRESS, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, EXPRESS 4500, EXPRESS CUTAWAY, EXPRESS CUTAWAY VAN, F SERIES, G VAN BUS, G1500, G2500, G3, G3500, G4, G4500, G5, G6, G8, GRAND AM, GRAND PRIX, GT, GTO, H SERIES, H2, H2 SUT, H3, H3 SUT, H4, HHR, HUMMER EV, IMPALA, IMPALA (GMX 211), INCOMPLETE/CUTAWAY C3, ION, JIMMY, JIMMY CLASSIC, L200, L300, LACROSSE, LESABRE, LOW CAB 3500, LOW CAB 4500, LOW CAB 5500, LOW CAB FORWARD 6500, LUCERNE, LUMINA, LW200, LYRIQ, MALIBU, MALIBU CLASSIC, MALIBU ECO, MALIBU HYBRID, MALIBU MAXX, MONTANA, MONTE CARLO, N300, N300 MAX, OPTRA, ORIGIN, OUTLOOK, PARK AVENUE, PURSUIT, RAINIER, REGAL, REGAL TOURX, RELAY, RENDEZVOUS, S/T BLAZER, S10, SAFARI, SAFARI (GMC), SAVANA, SAVANA 1500, SAVANA 2500, SAVANA 3500, SEVILLE, SIERRA 1500, SIERRA 1500 HD, SIERRA 2500, SIERRA 2500 HD, SIERRA 3500, SIERRA DENALI, SILHOUETTE, SILVERADO 1500, SILVERADO 1500 HD, SILVERADO 2500, SILVERADO 2500 HD, SILVERADO 3500, SILVERADO 4500HD, SILVERADO 5500HD, SILVERADO 6500HD, SILVERADO EV, SILVERADO LT, SKY, SLS, SOLSTICE, SONIC, SONOMA, SONOMA CREW, SPARK, SPARK EV, SRX, SS, SSR, STS, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, SUNFIRE, T SERIES, T4500, T6500, T7500, T8500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, TERRAIN, TERRAZA, TOPKICK, TOPKICK 6500, TOPKICK 8500, TORRENT, TRACKER, TRAILBLAZER, TRAILBLAZER 360, TRAILBLAZER EXT, TRAILBLAZER EXT 370, TRANS SPORT, TRAVERSE, TRAX, UPLANDER, VENTURE, VERANO, VIBE, VOLT, VUE, VUE HYBRID, W SERIES C3 3500, W-SERIES, W3500, W4500, W5500, W5500HD, XLR, XT4, XT5, XT6, XTS, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2004–2024) — 8835 vehicle combinations

010000 STEERING

This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing vibration concerns.

BUICK — ENVISTA, TRAX (2024) — 2 vehicle combinations

133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

This Preliminary information communicates to the technician the diagnostic direct for inoperative moveable windows.

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2021–2024) — 44 vehicle combinations

100000 POWER TRAIN

This technical bulletin provides repair information to correct a customer concern of Rear Driveline Module Audible Noise Heard Between 20-70MPH.

BUICK — ENCLAVE, TRAVERSE (2023) — 6 vehicle combinations

134000 VISIBILITY:SUN/MOON ROOF ASSEMBLY

This engineering information (EI Lite) closure ends the need for requesting further information from technicians to take pictures in regard to water leaking from the sunroof area that results in a repair on any 2023 Enclave/Traverse.

BUICK — CORVETTE, CT4, CT5, ENVISION, ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2022–2023) — 51 vehicle combinations

110000 ELECTRICAL SYSTEM

Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain vehicles, built beginning December 2, 2021. The affected vehicle owners should have been made aware of the

BUICK — ENCORE GX, ENVISTA, TRAILBLAZER, TRAX (2024) — 4 vehicle combinations

061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR

This Preliminary information communicates to the dealers information related to potential failed engine camshaft cover causing excessive engine oil consumption and blue smoke from the exhaust system at low mileage. It advises inspections fo

BUICK — ACADIA, BLAZER, ENCLAVE, TRAVERSE, XT5, XT6 (2021–2024) — 57 vehicle combinations

100000 POWER TRAIN

This informational bulletin provides Information on Wheel Drive Shaft Replacement and Nut Removal Damage.

BUICK — ENCORE, MALIBU, TRAILBLAZER (2019–2023) — 9 vehicle combinations

103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set

BUICK — ACADIA, BLAZER, CAMARO, ENCORE GX, EQUINOX, MALIBU, SIERRA 1500, SILVERADO 1500, SILVERADO 2500, TERRAIN, TRAILBLAZER, TRAVERSE, TRAX (2022–2024) — 25 vehicle combinations

346000 COMMUNICATION:MANUFACTURER TELEMATICS

This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.

BUICK — ENCORE, ENVISTA, TRAILBLAZER, TRAX (2024) — 8 vehicle combinations

117000 ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

'(There may be future updates under this same release number.) Your vehicle keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: a?? Updates made to the center display and inst

BUICK — ACADIA, ATS, CAMARO, CANYON, COLORADO, CT4, CT5, CT6, CTS, ENCLAVE, EQUINOX, G8, IMPALA, LACROSSE, OUTLOOK, SRX, STS, TERRAIN, TORRENT, TRAVERSE, VUE, XT5, XT6, XTS (2004–2024) — 597 vehicle combinations

070000 FUEL SYSTEM, GASOLINE

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or P2099. Technician will nee

BUICK — ENVISTA (2024) — 4 vehicle combinations

160000 STRUCTURE

This service bulletin provides repair information to correct a customer concern of a Loose B-Pillar Applique.