Cadillac CT4 Service Bulletins
1,208 manufacturer communications on file.
- June 27, 2023•Document ID: 10239119Service Bulletin/Repair InstructionsAIR BAGS; SEATS; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-NA-109
- Date Added:
- July 14, 2023
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides a procedure to correct a customer concern of Service Restraint System and/or Airbag Readiness Message Displayed - DTCs B15DF / B15E3.
Associated Products (8)Associated Documents - June 20, 2023•Document ID: 10239172Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- PIP5843C
- Date Added:
- July 17, 2023
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.
Associated Products (16)2023 Cadillac CT42023 Chevrolet Colorado2023 Chevrolet Silverado2023 GMC Canyon2023 GMC Sierra2022 Cadillac CT42022 Chevrolet Silverado2022 GMC Sierra2021 Cadillac CT42021 Chevrolet Silverado2021 GMC Sierra2020 Cadillac CT42020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC SierraAssociated Documents - June 19, 2023•Document ID: 10237851Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- N222371151-09
- Date Added:
- June 19, 2023
- Manufacturer:
- CADILLAC
SummaryCustomer 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 vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Associated Products (14)Associated Documents - June 16, 2023•Document ID: 10238239Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- N23-240852
- Date Added:
- June 28, 2023
- Manufacturer:
- CADILLAC
Summary(There may be future updates under this same release number.) Your Cadillac keeps getting better. This software update includes the following if your vehicle is equipped: Refinements: Updates made to the network connectivity to prevent unwanted interruption of emergency calls. Updates made to the Adaptive Cruise Control functionality for improved performance and smoother driving experience. Updates made to the overall vehicle software update process. Updates made to the Super Cruise driver assistance technology for enhanced lane changes, improved tunnel performance, and an overall upgraded driving experience. A variety of other minor software updates to make your driving and in-vehicle experience better. Better Never Stopsâ¢â
Associated Products (2)Associated Documents - June 16, 2023•Document ID: 10239048Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 22-NA-242
- Date Added:
- July 11, 2023
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides information for dealers/technicians on System Reset and Connector Reconnect Labor Code Numbers.
Associated Products (65)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 45 moreAssociated Documents - June 14, 2023•Document ID: 10239160Service Bulletin/Repair InstructionsEQUIPMENT:ELECTRICAL
- Mfr Comm. #:
- PIT5966B
- Date Added:
- July 17, 2023
- Manufacturer:
- BUICK
SummaryThis Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message.
Associated Products (57)2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 37 moreAssociated Documents - June 14, 2023•Document ID: 10239050Service Bulletin/Repair InstructionsEQUIPMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 23-NA-007
- Date Added:
- July 11, 2023
- Manufacturer:
- GMC
SummaryThis service bulletin provides repair information to correct a customer concern of Black Radio Display Screen (Triangle and Camera with Slash Through it) with DTCs B1A62 82 and 86 Setting Current in Video Processing Module (VPM).
Associated Products (32)2023 Buick Envision2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Corvette2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Hummer EV Pickup2023 GMC Yukon2023 GMC Yukon XL2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Corvette2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Hummer EV Pickup+ 12 moreAssociated Documents - June 14, 2023•Document ID: 10239046Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:PUMP; ENGINE AND ENGINE COOLING; POWER TRAIN
- Mfr Comm. #:
- 22-NA-232
- Date Added:
- July 11, 2023
- Manufacturer:
- CADILLAC
SummaryThis informational bulletin advises the technician of a possibly noise coming from the transmission oil pump.
Associated Products (41)2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Chevrolet Camaro2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Camaro2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 GMC Sierra+ 21 moreAssociated Documents - June 14, 2023•Document ID: 10238190Service Bulletin/Repair InstructionsEQUIPMENT
- Mfr Comm. #:
- 16-NA-158
- Date Added:
- June 27, 2023
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin describes the U.S. Dealer Special Tool Loan Program process.
Associated Products (653)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 633 moreAssociated Documents - June 12, 2023•Document ID: 10239039Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY
- Mfr Comm. #:
- 21-NA-061
- Date Added:
- July 11, 2023
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs.
Associated Products (195)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 175 moreAssociated Documents - June 9, 2023•Document ID: 10239154Service Bulletin/Repair InstructionsTIRES:SIDEWALL
- Mfr Comm. #:
- PIT4261J
- Date Added:
- July 17, 2023
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
Associated Products (436)2022 Buick Enclave2022 Buick Encore2022 Buick Envision2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac XT42022 Cadillac XT52022 Cadillac XT62022 Chevrolet Blazer2022 Chevrolet Bolt EV2022 Chevrolet Camaro2022 Chevrolet Colorado2022 Chevrolet Equinox2022 Chevrolet Express2022 Chevrolet Malibu2022 Chevrolet Silverado2022 Chevrolet Suburban2022 Chevrolet Tahoe2022 Chevrolet Trailblazer+ 416 moreAssociated Documents - June 9, 2023•Document ID: 10237943Service Bulletin/Repair InstructionsENGINE AND ENGINE COOLING; POWER TRAIN
- Mfr Comm. #:
- 23-NA-089
- Date Added:
- June 21, 2023
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides service procedure information to correct a customer concern of a Knocking Noise Heard from Engine and/or Transmission Area.
Associated Products (3)Associated Documents - June 8, 2023•Document ID: 10237960Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 23-NA-103
- Date Added:
- June 21, 2023
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).
Associated Products (617)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 597 moreAssociated Documents - June 7, 2023•Document ID: 10237939Service Bulletin/Repair InstructionsEQUIPMENT; ELECTRICAL SYSTEM
- Mfr Comm. #:
- 22-NA-235
- Date Added:
- June 21, 2023
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides repair information to correct a customer concern of Wireless Charging Intermittent When Using iPhone and Samsung Phones at Offset Positions.
Associated Products (27)2023 Cadillac CT42023 Cadillac CT52023 Cadillac Escalade2023 Cadillac Escalade ESV2023 Cadillac Lyriq2023 Chevrolet Corvette2023 Chevrolet Silverado2023 Chevrolet Suburban2023 Chevrolet Tahoe2023 Chevrolet Trailblazer2023 GMC Hummer EV Pickup2023 GMC Sierra2023 GMC Yukon2023 GMC Yukon XL2022 Cadillac CT42022 Cadillac CT52022 Cadillac Escalade2022 Cadillac Escalade ESV2022 Chevrolet Colorado2022 Chevrolet Corvette+ 7 moreAssociated Documents - June 7, 2023•Document ID: 10237846Service Bulletin/Repair InstructionsPOWER TRAIN; ENGINE AND ENGINE COOLING
- Mfr Comm. #:
- 04-07-30-013E
- Date Added:
- June 19, 2023
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides information to dealership personnel on automatic transmission shift and engine driveability concerns and/or MIL ON due to aftermarket oil bath air filter use.
Associated Products (624)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 604 moreAssociated Documents - June 1, 2023•Document ID: 10237841Service Bulletin/Repair InstructionsEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
- Mfr Comm. #:
- 02-00-89-002V
- Date Added:
- June 19, 2023
- Manufacturer:
- CADILLAC
SummaryThis service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
Associated Products (903)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac Lyriq2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Bolt EV2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe+ 883 moreAssociated Documents - May 30, 2023•Document ID: 10237387Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 08-07-30-026H
- Date Added:
- June 6, 2023
- Manufacturer:
- BUICK
SummaryThis service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is more often seen visually, rather than felt, when viewed from the outside and using the auto-start feature, if equipped.
Associated Products (740)2024 Buick Enclave2024 Buick Encore GX2024 Buick Envision2024 Buick Envista2024 Cadillac CT42024 Cadillac CT52024 Cadillac Escalade2024 Cadillac XT42024 Cadillac XT52024 Cadillac XT62024 Chevrolet Blazer2024 Chevrolet Camaro2024 Chevrolet Colorado2024 Chevrolet Equinox2024 Chevrolet Malibu2024 Chevrolet Silverado2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 Chevrolet Trailblazer2024 Chevrolet Traverse+ 720 moreAssociated Documents - May 24, 2023•Document ID: 10236607Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- N222371151-08
- Date Added:
- May 24, 2023
- Manufacturer:
- CADILLAC
SummaryCustomer 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 vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Associated Products (12)Associated Documents - May 23, 2023•Document ID: 10236602Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- N222375790
- Date Added:
- May 23, 2023
- Manufacturer:
- CHEVROLET
SummaryCustomer 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 have been made aware of the condition at sale, and notified, that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the park assist control module and setup the serial data gateway module to restore the Park Assist feature. Some vehicles may also need additional modules to be reprogrammed.
Associated Products (9)Associated Documents - May 23, 2023•Document ID: 10236600Service Bulletin/Repair InstructionsSTEERING
- Mfr Comm. #:
- N222371151-07
- Date Added:
- May 23, 2023
- Manufacturer:
- CADILLAC
SummaryCustomer 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 vehicle owners should have been made aware of the condition at sale, and notified that once parts are available, they would be eligible for a no additional cost retrofit to enable the feature. Dealers are to replace the steering wheel assembly.
Associated Products (12)Associated Documents