Cadillac XT4 Service Bulletins (2018)
220 manufacturer communications on file.
- January 31, 2025•Document ID: 11014171Service Bulletin/Repair InstructionsSTRUCTURE:BODY; VEHICLE SPEED CONTROL
- Mfr Comm. #:
- 10-08-110-001L
- Date Added:
- February 11, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin provides information on proper use of floor mats.
Associated Products (540)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 520 moreAssociated Documents - January 30, 2025•Document ID: 11014238Service Bulletin/Repair InstructionsSTRUCTURE:BODY; UNKNOWN OR OTHER
- Mfr Comm. #:
- 22-NA-244
- Date Added:
- February 12, 2025
- Manufacturer:
- CADILLAC
SummaryThis warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
Associated Products (336)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 316 moreAssociated Documents - January 30, 2025•Document ID: 11014233Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 22-NA-074
- Date Added:
- February 12, 2025
- Manufacturer:
- BUICK
SummaryThis service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
Associated Products (582)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 562 moreAssociated Documents - January 27, 2025•Document ID: 11014170Service Bulletin/Repair InstructionsEXTERIOR LIGHTING
- Mfr Comm. #:
- 01-08-42-001Q
- Date Added:
- February 11, 2025
- Manufacturer:
- GMC
SummaryThis service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
Associated Products (418)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 398 moreAssociated Documents - January 9, 2025•Document ID: 11013069Service Bulletin/Repair InstructionsPOWER TRAIN; ELECTRICAL SYSTEM; ENGINE
- Mfr Comm. #:
- 09-06-04-026Z
- Date Added:
- January 23, 2025
- Manufacturer:
- GMC
SummaryThis bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
Associated Products (510)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 490 moreAssociated Documents - January 7, 2025•Document ID: 11012929Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20-NA-132
- Date Added:
- January 18, 2025
- Manufacturer:
- CADILLAC
SummaryThis warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
Associated Products (501)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 481 moreAssociated Documents - January 4, 2025•Document ID: 11012930Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 07-00-89-037U
- Date Added:
- January 18, 2025
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
Associated Products (501)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 481 moreAssociated Documents - December 14, 2024•Document ID: 11012690Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 18-NA-263
- Date Added:
- January 9, 2025
- Manufacturer:
- GMC
SummaryThis warranty administration bulletin provide policy information for variable diagnostic time allowances on select labor operations (U.S. Only).
Associated Products (543)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac Optiq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox+ 523 moreAssociated Documents - December 6, 2024•Document ID: 11011805Service Bulletin/Repair InstructionsELECTRICAL SYSTEM; UNKNOWN OR OTHER
- Mfr Comm. #:
- PIT5962B
- Date Added:
- December 12, 2024
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
Associated Products (691)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 671 moreAssociated Documents - December 4, 2024•Document ID: 11011119Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6261
- Date Added:
- December 4, 2024
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates to dealers GM is working on a solution for outdated Apps
Associated Products (292)2020 Buick Enclave2020 Buick Encore2020 Buick Encore GX2020 Buick Envision2020 Buick LaCrosse2020 Buick Regal2020 Buick Regal TourX2020 Cadillac CT42020 Cadillac CT52020 Cadillac CT62020 Cadillac Escalade2020 Cadillac Escalade ESV2020 Cadillac XT42020 Cadillac XT52020 Cadillac XT62020 Cadillac XTS2020 Chevrolet Blazer2020 Chevrolet Bolt EV2020 Chevrolet Camaro2020 Chevrolet Colorado+ 272 moreAssociated Documents - November 27, 2024•Document ID: 11011989Service Bulletin/Repair InstructionsPOWER TRAIN
- Mfr Comm. #:
- 08-07-30-035I
- Date Added:
- December 19, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on the harmful effects of ethylene glycol in transmission fluid.
Associated Products (512)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban+ 492 moreAssociated Documents - November 22, 2024•Document ID: 11011900Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 19-NA-219
- Date Added:
- December 17, 2024
- Manufacturer:
- GMC
SummaryThis diagnostic tip bulletin provides additional information on how to diagnose a possible valve, lifter or camshaft issue.
Associated Products (479)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 459 moreAssociated Documents - November 5, 2024•Document ID: 11011709Service Bulletin/Repair InstructionsSERVICE BRAKES; STRUCTURE:BODY; WHEELS; UNKNOWN OR OTHER; ENGINE
- Mfr Comm. #:
- 21-NA-043
- Date Added:
- December 10, 2024
- Manufacturer:
- CHEVROLET
SummaryThis bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
Associated Products (615)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 595 moreAssociated Documents - October 28, 2024•Document ID: 11011205Service Bulletin/Repair InstructionsSTEERING; POWER TRAIN; ENGINE
- Mfr Comm. #:
- 04-06-01-029K
- Date Added:
- December 4, 2024
- Manufacturer:
- CHEVROLET
SummaryThis informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
Associated Products (632)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 612 moreAssociated Documents - October 11, 2024•Document ID: 11010576Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 24-NA-040
- Date Added:
- November 16, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.
Associated Products (458)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 438 moreAssociated Documents - October 9, 2024•Document ID: 11010545Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 10-00-89-009F
- Date Added:
- November 14, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides information on key code security rules and information on GM keycode look-up applications (U.S).
Associated Products (663)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 643 moreAssociated Documents - October 5, 2024•Document ID: 11010493Service Bulletin/Repair InstructionsSTRUCTURE:BODY; UNKNOWN OR OTHER
- Mfr Comm. #:
- 22-NA-244
- Date Added:
- November 13, 2024
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
Associated Products (335)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado+ 315 moreAssociated Documents - October 5, 2024•Document ID: 11010490Service Bulletin/Repair InstructionsENGINE
- Mfr Comm. #:
- 01-06-01-011Q
- Date Added:
- November 13, 2024
- Manufacturer:
- CHEVROLET
SummaryThis service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Associated Products (594)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu2025 Chevrolet Silverado2025 Chevrolet Suburban2025 Chevrolet Tahoe+ 574 moreAssociated Documents - October 3, 2024•Document ID: 11010488Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- 99-00-89-019Z
- Date Added:
- November 13, 2024
- Manufacturer:
- CHEVROLET
SummaryThis Warranty Administration bulletin provides information on the Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program.
Associated Products (458)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 438 moreAssociated Documents - October 3, 2024•Document ID: 11010421Service Bulletin/Repair InstructionsELECTRICAL SYSTEM
- Mfr Comm. #:
- 20-NA-132
- Date Added:
- November 9, 2024
- Manufacturer:
- CHEVROLET
SummaryThis warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
Associated Products (651)2025 Buick Enclave2025 Buick Encore2025 Buick Encore GX2025 Buick Envision2025 Buick Envista2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Cadillac Lyriq2025 Cadillac XT42025 Cadillac XT52025 Cadillac XT62025 Chevrolet Blazer2025 Chevrolet BrightDrop2025 Chevrolet Colorado2025 Chevrolet Corvette2025 Chevrolet Equinox2025 Chevrolet Malibu+ 631 moreAssociated Documents