Cadillac CT4 Service Bulletins

1,208 manufacturer communications on file.

• September 21, 2020•Document ID: 10181155

  Service Bulletin/Repair Instructions
  EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIC6407C

  Date Added:

  October 19, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This PI communicates a parts restriction is in effect on 2020 Cadillac CT4, CT5 and Chevrolet Corvette Amplifier.

  Associated Products (4)

  2021 Chevrolet Corvette2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette
  Associated Documents

  • DownloadMC-10181155-0001.pdf↗
• September 17, 2020•Document ID: 10181716

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA191

  Date Added:

  October 26, 2020

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Auto Start/Stop Disabled with Malfunction Indicator Lamp (MIL) Illuminated and DTC U0599 set.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181716-0001.pdf↗
• September 17, 2020•Document ID: 10181652

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

  Mfr Comm. #:

  N202305180

  Date Added:

  October 26, 2020

  Manufacturer:

  CADILLAC

  Summary

  Service Update Bulletin - Certain 2020 model year Cadillac CT4 and CT5 vehicles may have a condition where the front windshield camera module may reset and lose communication with other modules. DTCs P25A2, U0265, U0566 and U1962 are set. The malfunction indicator light (MIL) may illuminate. Reprogram the front view camera.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181652-0001.pdf↗
• September 17, 2020•Document ID: 10181146

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STEERING

  Mfr Comm. #:

  PIC6404A

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates An issue may occur causing a Service Driver Assist,  Steering Assist Reduced Messages, or MIL illuminated with P25A2, U0265, and U0566, replacing the Front View Camera for frequently occurring cases and a software/hardware solution will be forthcoming for infrequently occurring cases.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181146-0001.pdf↗
• September 17, 2020•Document ID: 10181145

  Service Bulletin/Repair Instructions
  FORWARD COLLISION AVOIDANCE: SENSING SYSTEM: CAMERA

  Mfr Comm. #:

  PIC6382F

  Date Added:

  October 19, 2020

  Manufacturer:

  CADILLAC

  Summary

  This PI communicates a parts restriction is in effect on 2020 cadillac CT4, and CT5 Front View Camera Module.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181145-0001.pdf↗
• September 17, 2020•Document ID: 10181695

  Service Bulletin/Repair Instructions
  EQUIPMENT; ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA157

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

  This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

  Associated Products (168)

  2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Bolt EV2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon+ 148 more
  Associated Documents

  • DownloadMC-10181695-0001.pdf↗
• September 14, 2020•Document ID: 10181140

  Service Bulletin/Repair Instructions
  ENGINE AND ENGINE COOLING

  Mfr Comm. #:

  PIP5737A

  Date Added:

  October 19, 2020

  Manufacturer:

  GMC

  Summary

  This Preliminary information communicates additional diagnostic tips when diagnosing engine oil leaks on these vehicles.

  Associated Products (5)

  2020 Cadillac CT42020 Chevrolet Silverado2020 GMC Sierra2019 Chevrolet Silverado2019 GMC Sierra
  Associated Documents

  • DownloadMC-10181140-0001.pdf↗
• September 11, 2020•Document ID: 10181136

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  PIP5722A

  Date Added:

  October 19, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This Preliminary information communicates to the dealer technician diagnostic tips to aid in finding root case of P0708 setting  on vehicles equipped with 8L45, 8L90, 10L60, 10L80 and 10L90 transmissions.

  Associated Products (10)

  2020 Cadillac CT42020 Cadillac Escalade2020 Chevrolet Camaro2020 Chevrolet Express2020 Chevrolet Silverado2020 Chevrolet Suburban2020 Chevrolet Tahoe2020 GMC Savana2020 GMC Sierra2020 GMC Yukon
  Associated Documents

  • DownloadMC-10181136-0001.pdf↗
• September 9, 2020•Document ID: 10181713

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  20NA187

  Date Added:

  October 26, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This technical bulletin provides a repair procedure to correct a customer concern of Delayed and/or Harsh Engagement of Transmission Shift After Vehicle Sitting with Engine Off.

  Associated Products (33)

  2021 Cadillac CT42021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Silverado2021 GMC Canyon2021 GMC Savana2021 GMC Sierra2020 Chevrolet Camaro2020 Chevrolet Colorado2020 Chevrolet Express2020 Chevrolet Silverado2020 GMC Canyon2020 GMC Sierra2019 Cadillac ATS2019 Cadillac CT62019 Cadillac CTS2019 Chevrolet Camaro2019 Chevrolet Colorado2019 Chevrolet Corvette2019 Chevrolet Express+ 13 more
  Associated Documents

  • DownloadMC-10181713-0001.pdf↗
• September 9, 2020•Document ID: 10181705

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; STEERING

  Mfr Comm. #:

  20NA178

  Date Added:

  October 26, 2020

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Service Driver Assist and/or Take Steering Messages on Start-up, Advanced Driver Assist Systems (ADAS) Features Not Available.

  Associated Products (8)

  2021 Cadillac CT42021 Cadillac CT52021 Chevrolet Suburban2021 Chevrolet Tahoe2021 GMC Yukon2021 GMC Yukon XL2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10181705-0001.pdf↗
• September 2, 2020•Document ID: 10181660

  Service Bulletin/Repair Instructions
  POWER TRAIN

  Mfr Comm. #:

  16NA019

  Date Added:

  October 26, 2020

  Manufacturer:

  GMC

  Summary

  This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares.

  Associated Products (225)

  2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon2021 GMC Savana2021 GMC Sierra+ 205 more
  Associated Documents

  • DownloadMC-10181660-0001.pdf↗
• August 31, 2020•Document ID: 10179662

  Service Bulletin/Repair Instructions
  EQUIPMENT; POWER TRAIN; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  PIC6395B

  Date Added:

  September 14, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary information communicates a parts restriction is in place for the Automatic Transmission Control on 2020 Cadillac CT4, and CT5.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10179662-0001.pdf↗
• August 28, 2020•Document ID: 10180694

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EXTERIOR LIGHTING

  Mfr Comm. #:

  20NA174

  Date Added:

  October 5, 2020

  Manufacturer:

  CADILLAC

  Summary

  This technical bulletin provides repair information to correct a customer concern of Malfunction Indicator Lamp (MIL) Illuminated With DTC P037C.

  Associated Products (1)

  2020 Cadillac CT4
  Associated Documents

  • DownloadMC-10180694-0001.pdf↗
• August 14, 2020•Document ID: 10180697

  Service Bulletin/Repair Instructions
  EQUIPMENT

  Mfr Comm. #:

  990089019U

  Date Added:

  October 5, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.

  Associated Products (239)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado+ 219 more
  Associated Documents

  • DownloadMC-10180697-0001.pdf↗
• August 14, 2020•Document ID: 10180317

  Service Bulletin/Repair Instructions
  TIRES

  Mfr Comm. #:

  20NA159

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).

  Associated Products (345)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Camaro2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Acadia2021 GMC Canyon+ 325 more
  Associated Documents

  • DownloadMC-10180317-0001.pdf↗
• August 12, 2020•Document ID: 10180315

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM

  Mfr Comm. #:

  20NA157

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF.

  Associated Products (158)

  2021 Buick Encore2021 Buick Encore GX2021 Cadillac XT42021 Chevrolet Camaro2021 Chevrolet Equinox2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe2021 Chevrolet Trailblazer2021 GMC Sierra2021 GMC Terrain2021 GMC Yukon2021 GMC Yukon XL2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT5+ 138 more
  Associated Documents

  • DownloadMC-10180315-0001.pdf↗
• August 10, 2020•Document ID: 10213746

  Service Bulletin/Repair Instructions
  SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR; EQUIPMENT ADAPTIVE/MOBILITY

  Mfr Comm. #:

  N202297530

  Date Added:

  June 13, 2022

  Manufacturer:

  CADILLAC

  Summary

  Service Update. Certain vehicles may experience a noise from the left front and right rear brake wear sensors during low speed or when the brake is applied lightly. Dealers are to remove pad wear sensors and install a left front and right rear plug.

  Associated Products (2)

  2020 Cadillac CT42020 Cadillac CT5
  Associated Documents

  • DownloadMC-10213746-0001.pdf↗
• August 10, 2020•Document ID: 10180293

  Service Bulletin/Repair Instructions
  POWER TRAIN:AUTOMATIC TRANSMISSION

  Mfr Comm. #:

  16NA361

  Date Added:

  September 28, 2020

  Manufacturer:

  CADILLAC

  Summary

  This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.

  Associated Products (93)

  2021 Buick Enclave2021 Buick Encore2021 Buick Encore GX2021 Buick Envision2021 Cadillac CT42021 Cadillac CT52021 Cadillac Escalade2021 Cadillac XT42021 Cadillac XT52021 Cadillac XT62021 Chevrolet Blazer2021 Chevrolet Camaro2021 Chevrolet Colorado2021 Chevrolet Corvette2021 Chevrolet Equinox2021 Chevrolet Express2021 Chevrolet Malibu2021 Chevrolet Silverado2021 Chevrolet Suburban2021 Chevrolet Tahoe+ 73 more
  Associated Documents

  • DownloadMC-10180293-0001.pdf↗
• August 5, 2020•Document ID: 10180299

  Service Bulletin/Repair Instructions
  EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

  Mfr Comm. #:

  18NA099

  Date Added:

  September 28, 2020

  Manufacturer:

  CHEVROLET

  Summary

  This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

  Associated Products (853)

  2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick Regal2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Chevrolet 35002020 Chevrolet 4500HD2020 Chevrolet 5500HD2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado+ 833 more
  Associated Documents

  • DownloadMC-10180299-0001.pdf↗
• August 5, 2020•Document ID: 10179623

  Service Bulletin/Repair Instructions
  ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL

  Mfr Comm. #:

  PIT5411U

  Date Added:

  September 14, 2020

  Manufacturer:

  CADILLAC

  Summary

  This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance Center. Dealers will need to contact General Motors Technical Assistance Center for further assistance.

  Associated Products (6)

  2020 Cadillac CT42020 Cadillac CT52020 Chevrolet Corvette2020 Chevrolet Trailblazer2020 Chevrolet Traverse2020 GMC Acadia
  Associated Documents

  • DownloadMC-10179623-0001.pdf↗