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

PIT6000 Apr 19, 2023
CADILLAC — ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON XL (2021–2023) — 10 vehicle combinations
110000 ELECTRICAL SYSTEM
This Preliminary information communicates to the field how to address DTC: B2BA1 for Map module version being out of date and causing a Service Drivers Assist message.
21-NA-227 Apr 17, 2023
CADILLAC — ESCALADE, ESCALADE ESV, SUBURBAN, SUBURBAN 1500, TAHOE, YUKON, YUKON XL (2021) — 16 vehicle combinations
100000 POWER TRAIN
This informational bulletin provides a possibly source of corrosion in the RDM electrical wiring harness and connector.
PIT5878D Apr 14, 2023
CADILLAC — HUMMER EV, LYRIQ (2022–2024) — 4 vehicle combinations
138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
This Preliminary information communicates to the field engineering contacts to assist in the diagnosis of HVAC concerns on the new 2022-2024 HUMMER EV and the 2023 LYRIQ.
PIT6001 Apr 14, 2023
CADILLAC — ACADIA, TRAVERSE, XT5 (2017–2019) — 9 vehicle combinations
010000 STEERING
This Preliminary information communicates a technician may replace a steering gear and after programming it, find communication codes set and a loss of steering assist. The technician is advised to place a SPAC case on the new part number n
PIC6501 Apr 13, 2023
CADILLAC — LYRIQ (2023)
350000 EQUIPMENT
This Preliminary information communicates Instructions to properly open the upper IP bin door and reset the Inertia Lock if needed.
N222371151-04 Apr 13, 2023
CADILLAC — ACADIA, CT4, CT5, SUBURBAN, TAHOE, XT6, YUKON, YUKON XL (2022) — 8 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
23-NA-029 Apr 11, 2023
CADILLAC — ACADIA, BLAZER, TRAVERSE, XT5, XT6 (2023) — 10 vehicle combinations
100000 POWER TRAIN
This service bulletin provides a procedure to locate a possible shaft not inserted into the differential carrier that may have popped out to correct customer concerns of Transmission Grinds When Put into Gear, Slipping, No Movement When Shi
PIC6489D Apr 6, 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 while GM is working on a solution.
PIC6495A Apr 6, 2023
CADILLAC — ELR, VOLT (2011–2019) — 12 vehicle combinations
114000 ELECTRICAL SYSTEM:WIRING
This Preliminary information communicates that the New battery section as a broken wiring harness clip, and to use a Velcor strip to hold the harness in place.
N222371151-03 Apr 5, 2023
CADILLAC — ACADIA, CT4, CT5, SUBURBAN, TAHOE, XT6 (2022) — 6 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
PIT5949B Apr 4, 2023
CADILLAC — ESCALADE ESV, SUBURBAN, TAHOE, YUKON XL (2021–2023) — 36 vehicle combinations
100000 POWER TRAIN
This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Li
PIC6500 Apr 4, 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.
N222390620 Apr 4, 2023
CADILLAC — CT4 (2022–2023) — 4 vehicle combinations
010000 STEERING
Service Update - certain vehicles may have an Engine Wiring Harness breakout branch for the power steering that is not properly secured at the front of dash near the airbox. Dealers are to inspect and if necessary, secure the wiring harnes
N222375790-03 Apr 4, 2023
CADILLAC — CORVETTE, CT4, CT5, ESCALADE, ESCALADE ESV (2022–2023) — 16 vehicle combinations
118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should ha
PIT5954B Apr 4, 2023
CADILLAC — SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, TRAVERSE, XT5, XT6 (2020) — 9 vehicle combinations
343000 COMMUNICATION: AUTO CRASH NOTIFICATION
This Preliminary information communicates an engineering investigation for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.
N222375791-01 Apr 4, 2023
CADILLAC — CAMARO, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SILVERADO 3500, XT4, XT5, XT6 (2022–2023) — 36 vehicle combinations
118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
Customer Satisfaction Program - Due to the industry-wide semiconductor shortage, the park assist feature is not functional on certain 2022 and 2023 model year vehicles, built beginning December 2, 2021. The affected vehicle owners should ha
PIE0723A Apr 3, 2023
CADILLAC — XT5 (2021–2023) — 8 vehicle combinations
160000 STRUCTURE
This engineering information (EI) closure ends the need for further information from technicians in regards to the front bumper fascia skid plate being loose, disengaged and/or falling off.
N232399010-01 Mar 31, 2023
CADILLAC — CT4, CT5, ESCALADE, ESCALADE ESV, SIERRA 1500, SILVERADO 1500, SUBURBAN, TAHOE, YUKON, YUKON XL (2023) — 20 vehicle combinations
100000 POWER TRAIN
Service Update Revision: Certain vehicles may experience an intermittent loss of communication with the Transmission Control Module (TCM). Owners who have accepted applicable terms and conditions will have the opportunity to accept these s
PIC6484A Mar 30, 2023
CADILLAC — LYRIQ (2023)
060000 ENGINE (PWS)
This Preliminary information communicates that a BCM calibration is preventing the ability to learn transmitters to the vehicle
PIC6499 Mar 30, 2023
CADILLAC — LYRIQ (2023)
110000 ELECTRICAL SYSTEM
This Preliminary information communicates that a U3000 SYM57 maybe found setting in a Short Range Radar and a VCI number will be required to allow reprogramming.
PIE0702A Mar 30, 2023
CADILLAC — XT4 (2022)
020000 SUSPENSION
This engineering information (EI) closure ends the need for further information from technicians in regards to knocking, thumping, clunking and/or tapping noise heard from the front of the vehicle.
N222392960-01 Mar 28, 2023
CADILLAC — LYRIQ (2023)
110000 ELECTRICAL SYSTEM
Customer Satisfaction Program - certain may have a condition where the Super Cruise and Surround Vision features are not activated. Dealers are to reprogram the image processing module and if necessary, reprogram the short range radar sen
PIC6498 Mar 28, 2023
CADILLAC — LYRIQ (2023)
280000 BACK OVER PREVENTION
This consise summary was created to advise of engineering investigation to address Error 302 when accessing the Energy APP.
23-NA-054 Mar 28, 2023
CADILLAC — XT4 (2022) — 3 vehicle combinations
110000 ELECTRICAL SYSTEM
This technical bulletin provides repair information to correct a customer concern of Parking Assist Driver Information Center Telltales May Not Illuminate.
N222391580 Mar 27, 2023
CADILLAC — ESCALADE, ESCALADE ESV (2023) — 2 vehicle combinations
010000 STEERING
Customer Satisfaction Program. Certain vehicles may have been built with the incorrect steering wheel trim spoke cover applique. Dealers are to replace the steering wheel trim spoke cover applique.