Technical Service Bulletins (TSB)

CADILLAC — ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE, EXPRESS, EXPRESS 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO LT, YUKON (2015–2024) — 98 vehicle combinations

100000 POWER TRAIN

This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.

CADILLAC — XT4 (2019–2023) — 15 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct the condition of Intermittent Service Airbag System message (DTC B0014 B0021).

CADILLAC — LYRIQ (2023–2024) — 6 vehicle combinations

110000 ELECTRICAL SYSTEM

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard the door windows will not roll all the way up.

CADILLAC — LYRIQ (2023) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

This service bulletin provides Radio Software update Version W27E-172.5.1-M169-SQBR4-126.3 repair information to correct customer concerns of radio software issues.

CADILLAC — 9-2X, 9-3, 9-5, ASTRA, AVALANCHE, AVALANCHE 1500, AVALANCHE 2500, ESCALADE, ESCALADE ESV, ESCALADE EXT, ESCALADE EXT 1500, ESCALADE HYBRID, SIERRA 1500, SIERRA 2500, SIERRA 3500, SIERRA DENALI, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, SUBURBAN 2500, TAHOE, TAHOE HYBRID, TAHOE POLICE PURSUIT, VIBE, YUKON, YUKON DENALI, YUKON DENALI XL, YUKON HYBRID, YUKON XL, YUKON XL 1500, YUKON XL 2500 (2003–2014) — 436 vehicle combinations

140000 AIR BAGS

This service bulletin provides information on Takata Air Bag Completion Rate Improvement Program - Applicable to GM Recalls 14491, 14735,15040, 15041, 15043,15044, 15045, 15046, 15406,15438, 15442, 15815, 15816,15817, 15818, 15826, 17009, 1

CADILLAC — ATS, CAMARO, CANYON, COLORADO, CORVETTE, CT4, CT6, CTS, ESCALADE, EXPRESS, EXPRESS 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO LT, YUKON (2015–2024) — 98 vehicle combinations

100000 POWER TRAIN

This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement

CADILLAC — XT5 (2024)

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Stop Delivery - Effective immediately, stop the delivery of certain vehicles in new vehicle inventory or in transit. General Motors is investigating a potential quality issue with these vehicles. Dealers are to wait for further communicat

CADILLAC — XT4 (2024) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

Service Update. Certain vehicles may have a condition where the hands free power liftgate with the projected logo lamp, will turn off in the personalization settings without customer notification after the vehicle goes into full sleep mode

CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021–2022) — 8 vehicle combinations

020000 SUSPENSION

This Preliminary information communicates an issue with the air leveling suspension losing air pressure in very cold temperatures while sitting for several hours. Dealers are to replace both the front air springs.

CADILLAC — AVALANCHE, ESCALADE, ESCALADE EXT, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SILVERADO EV, SILVERADO LT, SUBURBAN, TAHOE, YUKON (2007–2024) — 196 vehicle combinations

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

CADILLAC — LYRIQ (2023–2024) — 2 vehicle combinations

118000 ELECTRICAL SYSTEM:SOFTWARE

This concise summary was created to advise of engineering investigation to address Error 302 when accessing the Energy APP.

CADILLAC — HUMMER EV, LYRIQ (2022–2024) — 5 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates to technicians to perform the programming to the vehicles module to correct customer concerns.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2022–2023) — 26 vehicle combinations

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Emission Recall - General Motors has decided to conduct a Voluntary Emission Recall on certain vehicles. During servicing of these vehicles, an incorrect catalytic converter part that may not meet all emission system requirements may have

CADILLAC — LYRIQ (2023) — 2 vehicle combinations

110000 ELECTRICAL SYSTEM

This engineering information (EI) provides special update instructions for A11 Radio.

CADILLAC — LYRIQ (2023–2024) — 6 vehicle combinations

010000 STEERING

This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to steering loss of assist while driving.

CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2023–2024) — 30 vehicle combinations

110000 ELECTRICAL SYSTEM

This engineering information (EI) closure ends the need for gathering further information from technicians in regard to windshield wipers intermittently inoperative when on low setting.

CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2023–2024) — 30 vehicle combinations

170000 LATCHES/LOCKS/LINKAGES

This engineering information (EI Lite) is requesting technicians use the Field Product Reporting (FPR) app process if you encounter a vehicle where a customer comments on the second-row seat not folding, latching, seat binds, and/or is diff

CADILLAC — ESCALADE, ESCALADE ESV, HUMMER EV, SIERRA 1500, SILVERADO 1500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2022–2024) — 184 vehicle combinations

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of DTC U3000 Setting in Automated Map Module (HDLM) - SuperCruise Unavailable.

CADILLAC — CT6 (2019–2020) — 2 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This engineering information (EI) closure ends the need for gathering further information from technicians regarding an internal engine concern or a concern in which suspect damage is found and major component replacement may be necessary.

CADILLAC — BOLT EUV, CT6, XT6 (2018–2023) — 14 vehicle combinations

110000 ELECTRICAL SYSTEM

This Preliminary information communicates a vehicle may come to the dealer with Super Cruise inoperative. On inspection the tech will find code B126B. Tech is given direction on how to update the Map module to restore function. Dealer is al

CADILLAC — XT4 (2024)

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates the direction a technician needs to take when customer concern is loud noise in cabin.

CADILLAC — ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2020–2024) — 180 vehicle combinations

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

CADILLAC — CORVETTE, CT4, CT5 (2020–2024) — 22 vehicle combinations

030000 SERVICE BRAKES, HYDRAULIC

This service bulletin provides information for having brake pulsation and/or repeat brake pulsation.

CADILLAC — ESCALADE, ESCALADE ESV, HUMMER EV, SIERRA 1500, SILVERADO 1500, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL, YUKON XL 1500 (2021–2024) — 84 vehicle combinations

110000 ELECTRICAL SYSTEM

This informational bulletin provides information on when the customer engage SuperCruise, their vehicle will immediately veer to the left and center itself on the left-hand lane line. During normal driving and/or if normal/adaptive cruise i

CADILLAC — LYRIQ (2023) — 2 vehicle combinations

030000 BRAKES (PWS)

This Preliminary information communicates that a loss of communication with the Brake System Control Module may occur and to contact GMTAC.