GMC Yukon XL Service Bulletins
1,938 manufacturer communications on file.
- April 25, 2026•Document ID: 11031948Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6511
- Date Added:
- May 2, 2026
- Manufacturer:
- CADILLAC
SummaryThis Preliminary information communicates an issue with a replace or low FOB battery message
Associated Products (52)2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Lyriq2026 Cadillac Optiq2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac CT42025 Cadillac CT52025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Lyriq2025 Cadillac Optiq2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac CT42024 Cadillac CT5+ 32 moreAssociated Documents - April 24, 2026•Document ID: 11031946Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6406G
- Date Added:
- May 2, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary Information communicates direction for different audio issues with RPO UQA, UQF, UQS, or NKD
Associated Products (11)Associated Documents - April 23, 2026•Document ID: 11031893Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6493B
- Date Added:
- May 1, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI communicates information on isolating a wind noise from the driver front door.
Associated Products (5)Associated Documents - April 23, 2026•Document ID: 11031829Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.30
- Date Added:
- May 1, 2026
- Manufacturer:
- CADILLAC
Summary• Improvements to reliability when extending the running boards on your vehicle.
Associated Products (5)Associated Documents - April 23, 2026•Document ID: 11031745Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIC6629D
- Date Added:
- April 30, 2026
- Manufacturer:
- CHEVROLET
SummaryThis PI is to instruct dealer on diagnostic procedures that need to be completed prior to replacing a radio or IPC display
Associated Products (76)2026 Buick Enclave2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Chevrolet Colorado2026 Chevrolet Equinox2026 Chevrolet Tahoe2026 Chevrolet Trailblazer2026 Chevrolet Traverse2026 Chevrolet Trax2026 GMC Acadia2026 GMC Canyon2026 GMC Hummer EV Pickup+ 56 moreAssociated Documents - April 23, 2026•Document ID: 11031719Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6508
- Date Added:
- April 29, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the technician the diagnostic direction needed when the customer complains of SuperCruise Subscription Required Message Displayed on Instrument Cluster.
Associated Products (15)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Chevrolet Tahoe2026 GMC Hummer EV Pickup2026 GMC Hummer EV SUV2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Cadillac Escalade IQ2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XLAssociated Documents - April 21, 2026•Document ID: 11031949Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6506
- Date Added:
- May 2, 2026
- Manufacturer:
- GMC
SummaryThis PI informs General Motors dealers that programming for the Image Processing Module is currently unavailable and provides the process to obtain required programming
Associated Products (4)Associated Documents - April 21, 2026•Document ID: 11031714Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6288G
- Date Added:
- April 29, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
Associated Products (10)Associated Documents - April 21, 2026•Document ID: 11031708Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6452D
- Date Added:
- April 29, 2026
- Manufacturer:
- CADILLAC
SummaryThis is a diagnostic PI to assist on a repair to fix a concern for the HVAC temperature doors binding at times
Associated Products (10)Associated Documents - April 20, 2026•Document ID: 11031717Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6507
- Date Added:
- April 29, 2026
- Manufacturer:
- CADILLAC
SummaryThis PI communicates information on a SPS programming issue causing Serial Data Authentication Configuration to fail.
Associated Products (10)Associated Documents - April 20, 2026•Document ID: 11031716Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6339A
- Date Added:
- April 29, 2026
- Manufacturer:
- GMC
SummaryThis Preliminary information communicates to the field on how to diagnosis Supercruise Unavailable and Driver Attention Assist Unavailable and Drowsy Driver Feature Disabled message.
Associated Products (6)Associated Documents - April 20, 2026•Document ID: 11031388Warranty Program/ExtensionWHEELS
- Mfr Comm. #:
- N252536751-01
- Date Added:
- April 20, 2026
- Manufacturer:
- CHEVROLET
SummarySpecial Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. This special coverage covers the condition described above for a period of 15 years or 150,000 miles (240,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after April 17, 2026, are covered by this special coverage and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to April 17, 2026, must be submitted to the Service Contract provider. Vehicle owners or lessees who paid for repairs referenced in this Special Coverage (“Customers”) are eligible for reimbursement of their reasonable and customary expenses in accordance with the procedures specified below. The conditional right to reimbursement is provided by GM solely in the interest of customer satisfaction and is personal to Customers. Customers may not assign and GM does not consent to any assignment of any Customer’s right to submit reimbursement claims, or to receive reimbursement, or any other rights granted by this Special Coverage to any third party, including but not limited to service contract providers, and this Special Coverage is not intended to and does not confer any third party beneficiary, subrogation or contribution rights, or any other rights to reimbursement, against GM, whether in law, equity or otherwise, on any third parties. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.
Associated Products (6)Associated Documents - April 17, 2026•Document ID: 11031380Warranty Program/ExtensionWHEELS
- Mfr Comm. #:
- N252536751
- Date Added:
- April 17, 2026
- Manufacturer:
- GMC
SummarySpecial Coverage. Certain vehicles listed above may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to update the control valve body spacer plate, actuator feed valve and spring in the valve body. The repairs will be made at no charge to the customer.
Associated Products (6)Associated Documents - April 16, 2026•Document ID: 11031515Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6505
- Date Added:
- April 23, 2026
- Manufacturer:
- GMC
SummaryThis preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are to remove oring and reinstall pump.
Associated Products (16)2026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Chevrolet Tahoe2026 GMC Yukon2026 GMC Yukon XL2025 Cadillac Escalade2025 Cadillac Escalade ESV2025 Chevrolet Tahoe2025 GMC Yukon2025 GMC Yukon XL2024 Cadillac Escalade2024 Cadillac Escalade ESV2024 Chevrolet Suburban2024 Chevrolet Tahoe2024 GMC Yukon2024 GMC Yukon XLAssociated Documents - April 14, 2026•Document ID: 11031514Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6503
- Date Added:
- April 23, 2026
- Manufacturer:
- BUICK
SummaryThis preliminary information is to inform technicians that GM is placing the B174W Front View Camera Module (ACP2) on part restriction due to elevated replacement rates and ongoing engineering investigation. Technicians must not replace the front camera module unless they have: 1.Completed the diagnostic procedure in this PI, and 2.Contacted TAC and received authorization, including the SI document number and specific step that directs camera replacement.
Associated Products (101)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 81 moreAssociated Documents - April 14, 2026•Document ID: 11031513Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6493A
- Date Added:
- April 23, 2026
- Manufacturer:
- GMC
SummaryThis PI communicates information on isolating a wind noise from the driver front door.
Associated Products (5)Associated Documents - April 10, 2026•Document ID: 11031258Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- N252521591
- Date Added:
- April 10, 2026
- Manufacturer:
- GMC
SummaryThis message is to inform dealers that Service Update bulletin N252521591, is being temporarily suspended for the models above equipped with RPO UKL or UK0. Involved vehicles will be temporarily removed from IVH. Dealers will be notified when repairs can be resumed. We apologize for any inconvenience this situation may cause.
Associated Products (5)Associated Documents - April 1, 2026•Document ID: 11030976Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT6288F
- Date Added:
- April 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThis Preliminary information communicates an issue with a service door latch system messages. On Cadillac and Chevrolet models dealership are to cycle the child door latch on and off to correct the issue. On GMC models reprogram the BCM and VCU then cyc
Associated Products (10)Associated Documents - April 1, 2026•Document ID: 11030974Service Bulletin/Repair InstructionsUNKNOWN OR OTHER
- Mfr Comm. #:
- PIT3271Q
- Date Added:
- April 7, 2026
- Manufacturer:
- CHEVROLET
SummaryThis preliminary information communicates information about how to determine if a wheel and tires size change is available.
Associated Products (210)2026 Buick Enclave2026 Buick Encore2026 Buick Encore GX2026 Buick Envision2026 Buick Envista2026 Cadillac Celestiq2026 Cadillac CT42026 Cadillac CT52026 Cadillac Escalade2026 Cadillac Escalade ESV2026 Cadillac Escalade IQ2026 Cadillac Escalade IQL2026 Cadillac Lyriq2026 Cadillac Optiq2026 Cadillac Vistiq2026 Cadillac XT42026 Cadillac XT52026 Cadillac XT62026 Chevrolet Blazer2026 Chevrolet Colorado+ 190 moreAssociated Documents - March 27, 2026•Document ID: 11030524Over The AirUNKNOWN OR OTHER
- Mfr Comm. #:
- 661.20
- Date Added:
- April 2, 2026
- Manufacturer:
- GMC
Summary• Fixes to reduce activations of Automatic Emergency Braking Disabled light. • Improvements to availability for Lane Keep Assist. • Fixes to help ensure proper functionality for Brake Assist. • Fixes for active cabin ventilation. • Improvements to the performance of vehicle software updates. • Fixes to help ensure successful vehicle software updates.
Associated Products (5)Associated Documents