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Technical Service Bulletins

Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.

172,063 Unique Bulletins
4,727,244 Total Records
880 Vehicle Makes
1955–2025 Year Range
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Showing 5,824 bulletins for CADILLAC

23-NA-096 Jun 7, 2023
CADILLAC — LYRIQ (2023)
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of Service High Voltage System Lamp Illuminated with DTCs P0D08 and P0D0F Setting in Battery Energy Control Module.
23-NA-100 Jun 6, 2023
CADILLAC — ESCALADE, ESCALADE ESV (2023) — 2 vehicle combinations
100000 POWER TRAIN
This service bulletin provides a service procedure to correct a customer concern of Shudder/Judder During Light Acceleration.
23-NA-099 Jun 1, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2021–2023) — 84 vehicle combinations
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of Black Radio Display Screen (triangle and camera with the slash through it) with DTCs B1A62 82 and 86 setting current in Video Processing Module (VPM).
PIE0751 May 26, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, TAHOE, YUKON, YUKON XL (2023) — 12 vehicle combinations
160000 STRUCTURE
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to the assist step totally being inoperative and not functioning with door operation o
PIE0752 May 25, 2023
CADILLAC — LYRIQ (2023) — 3 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 the steering wheel button for the cruise control and/or radio control are not respo
PIC6507 May 25, 2023
CADILLAC — LYRIQ (2023)
353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT
This Preliminary information communicates to the technicians that if they have this customer concern with the SVS present due to the U164E setting in the BECM, engineering is aware and working on a solution.
PIC6500A May 24, 2023
CADILLAC — LYRIQ (2023)
185000 VEHICLE SPEED CONTROL:CRUISE CONTROL
This Preliminary information communicates that a customer may see a Super Cruise Unavailable message with U053C setting and Engineering is working on a resolution.
N222371151-08 May 24, 2023
CADILLAC — ACADIA, BLAZER, CT4, CT5, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, XT5, XT6, YUKON, YUKON XL (2022) — 16 vehicle combinations
010000 STEERING
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected veh
N222371151-07 May 23, 2023
CADILLAC — ACADIA, BLAZER, CT4, CT5, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, XT5, XT6, YUKON, YUKON XL (2022) — 16 vehicle combinations
010000 STEERING
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected veh
PIC6506 May 23, 2023
CADILLAC — LYRIQ (2023)
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to disconnect the battery for 15 minutes and retest operation. This could also take a few battery disconnects for the radi
PIT6026 May 23, 2023
CADILLAC — ESCALADE, SUBURBAN, TAHOE, YUKON (2022) — 4 vehicle combinations
353610 EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE
This Preliminary information communicates information on repairing dead battery concern caused by failed OTA N22-238206.
PIP5859A May 22, 2023
CADILLAC — LYRIQ (2023–2024) — 2 vehicle combinations
111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY
This Preliminary information communicates that the High Voltage Battery pack is on TAC restriction where TAC will Authorize the full HV Battery pack Exchange with Engineering Review needed.
N222385700 May 22, 2023
CADILLAC — LYRIQ (2023)
110000 ELECTRICAL SYSTEM
Service Update. Certain vehicles may have a condition where the main body wiring harness (MBWH) could be abraded by a mounting stud. Dealers will install a clip to the MBWH to prevent damage from the mounting stud.
PIT5509K May 22, 2023
CADILLAC — CANYON, COLORADO, ESCALADE, ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SUBURBAN, TAHOE, YUKON, YUKON DENALI, YUKON XL (2014–2024) — 228 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
N23-239659 May 19, 2023
CADILLAC — CT4, CT5 (2021) — 2 vehicle combinations
280100 BACK OVER PREVENTION:SOFTWARE
Your Cadillac keeps getting better. A vehicle software update is ready for you to install which includes the following if your vehicle is equipped:??A?A? Refinements: Improvements made to Automatic Lane Change feature within Super Cruise.
PIT3665M May 19, 2023
CADILLAC — ASTRO, AVALANCHE 1500, ESCALADE, EXPRESS, EXPRESS 3500, H2, SAFARI, SAVANA, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO EV, SUBURBAN, TAHOE, YUKON (1998–2024) — 150 vehicle combinations
114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
PIC6505 May 18, 2023
CADILLAC — LYRIQ (2023–2024) — 4 vehicle combinations
118000 ELECTRICAL SYSTEM:ADAS
This Preliminary information communicates to the GM Technicians that this is normal operation and the Surround Vision Recorder (SVR) is not an available feature for the 2023MY-2024 MY.
PIC6501B May 18, 2023
CADILLAC — LYRIQ (2023) — 2 vehicle combinations
150000 SEAT BELTS
This Preliminary information communicates Instructions to properly open the upper IP bin door and reset the Inertia Lock if needed.
N222382520 May 18, 2023
CADILLAC — LYRIQ (2023)
010000 STEERING
Service Update - certain vehicles may experience a vibration in the steering wheel while turning. A Dealers will inspect for proper clip orientation and if necessary, replace the intermediate shaft bolt.
N222371151-06 May 17, 2023
CADILLAC — ACADIA, BLAZER, CT4, CT5, SIERRA 1500, SIERRA 2500, SIERRA 3500, SUBURBAN, TAHOE, XT5, XT6, YUKON, YUKON XL (2022) — 13 vehicle combinations
010000 STEERING
Customer Satisfaction Program. Due to the industry-wide semiconductor shortage, the heat feature on the steering wheel is not functional on certain 2022 model year vehicles listed above, built beginning November 17, 2021. The affected veh
19-NA-167 May 15, 2023
CADILLAC — ACADIA, BLAZER, XT5, XT6 (2017–2023) — 96 vehicle combinations
110000 ELECTRICAL SYSTEM
This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative.
PIT5855G May 12, 2023
CADILLAC — XT5, XT6 (2021–2023) — 18 vehicle combinations
060000 ENGINE AND ENGINE COOLING
This Preliminary information communicates that a vehicle may be encountered with the heated/ventilated seats inoperative. Upon further inspection it will be found that the F19DA fuse will be open. The technician is instructed to inspect the
PIT5986A May 12, 2023
CADILLAC — ESCALADE ESV, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, SUBURBAN, TAHOE, YUKON XL (2021–2023) — 30 vehicle combinations
020000 SUSPENSION
This Preliminary information communicates a diagnostic tip for a thump, click, pop, clunk type noise that is heard from the front end. Dealers are to inspect for something contacting the grill shutters as they open and close.
PIE0749 May 12, 2023
CADILLAC — ACADIA, BLAZER, XT5, XT6 (2022–2023) — 9 vehicle combinations
220000 SEATS
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regard to having a squeak, rattle and/or creak type noise heard from the second row-seat area
PIC6503 May 12, 2023
CADILLAC — LYRIQ (2023)
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
This Preliminary information communicates to the technicians that if they have a Lyriq that comes in for this concern to Double USB Update the A11 radio receiver.
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