GMC Yukon Service Bulletins

1,983 manufacturer communications on file.

August 20, 2020•Document ID: 10179642
Service Bulletin/Repair Instructions
ENGINE; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM
Mfr Comm. #:
PIP5647B
Date Added:
September 14, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates A vehicle may have a concern of running poor and stalling. No trouble codes may be set referencing this condition. Fuel trims around -20% may be observed on both banks. Engine oil level will be found over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. Small gas engines (SGE) May only have the engine oil level over full and have a fuel odor. It will be found that the Engine oil is diluted with fuel. This concern is caused by marshalling the vehicle around the lot before it is sold and/or short driver cycles.
Associated Products (3)
2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10179642-0001.pdf↗
August 18, 2020•Document ID: 10213749
Service Bulletin/Repair Instructions
STRUCTURE; EQUIPMENT
Mfr Comm. #:
N202310870
Date Added:
June 13, 2022
Manufacturer:
GMC
Summary
Service Update Bulletin. Certain vehicles may have a standoff flange on the front license plate mounting bracket that is too long and may interfere with the front fascia when being installed. The license plate bracket can be installed but bows away from the front fascia and in some cases, the front license plate bracket cannot be installed. Dealers are to install the front license plate bracket.
Associated Products (1)
2021 GMC Yukon
Associated Documents
- Download MC-10213749-0001.pdf↗
August 18, 2020•Document ID: 10179640
Service Bulletin/Repair Instructions
AIR BAGS; EQUIPMENT ADAPTIVE/MOBILITY
Mfr Comm. #:
PIT5759C
Date Added:
September 14, 2020
Manufacturer:
CHEVROLET
Summary
This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10179640-0001.pdf↗
August 14, 2020•Document ID: 10180317
Service Bulletin/Repair Instructions
TIRES
Mfr Comm. #:
20NA159
Date Added:
September 28, 2020
Manufacturer:
CHEVROLET
Summary
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
Associated Products (22)
2021 Buick Enclave 2021 Buick Encore 2021 Buick Encore GX 2021 Buick Envision 2021 Cadillac CT4 2021 Cadillac CT5 2021 Cadillac XT4 2021 Cadillac XT5 2021 Cadillac XT6 2021 Chevrolet Camaro 2021 Chevrolet Corvette 2021 Chevrolet Equinox 2021 Chevrolet Malibu 2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 Chevrolet Trailblazer 2021 GMC Acadia 2021 GMC Canyon 2021 GMC Savana 2021 GMC Terrain+ 2 more
Associated Documents
- Download MC-10180317-0001.pdf↗
August 12, 2020•Document ID: 10180315
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
20NA157
Date Added:
September 28, 2020
Manufacturer:
BUICK
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 (12)
2021 Buick Encore 2021 Buick Encore GX 2021 Cadillac XT4 2021 Chevrolet Camaro 2021 Chevrolet Equinox 2021 Chevrolet Malibu 2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 Chevrolet Trailblazer 2021 GMC Terrain 2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10180315-0001.pdf↗
August 10, 2020•Document ID: 10180293
Service Bulletin/Repair Instructions
POWER TRAIN:AUTOMATIC TRANSMISSION
Mfr Comm. #:
16NA361
Date Added:
September 28, 2020
Manufacturer:
CHEVROLET
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 (26)
2021 Buick Enclave 2021 Buick Encore 2021 Buick Encore GX 2021 Buick Envision 2021 Cadillac CT4 2021 Cadillac CT5 2021 Cadillac Escalade 2021 Cadillac XT4 2021 Cadillac XT5 2021 Cadillac XT6 2021 Chevrolet Blazer 2021 Chevrolet Camaro 2021 Chevrolet Colorado 2021 Chevrolet Corvette 2021 Chevrolet Equinox 2021 Chevrolet Express 2021 Chevrolet Malibu 2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 Chevrolet Trailblazer+ 6 more
Associated Documents
- Download MC-10180293-0001.pdf↗
August 10, 2020•Document ID: 10179630
Service Bulletin/Repair Instructions
STRUCTURE:BODY; EQUIPMENT
Mfr Comm. #:
PIT5763
Date Added:
September 14, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issue with bug residue on the paint and how to properly remove it.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10179630-0001.pdf↗
August 6, 2020•Document ID: 10179625
Service Bulletin/Repair Instructions
EQUIPMENT; ENGINE
Mfr Comm. #:
PIP5733B
Date Added:
September 14, 2020
Manufacturer:
CHEVROLET
Summary
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
Associated Products (6)
2021 Chevrolet Equinox 2021 Chevrolet Malibu 2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Terrain 2021 GMC Yukon
Associated Documents
- Download MC-10179625-0001.pdf↗
August 5, 2020•Document ID: 10179624
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; AIR BAGS:FRONTAL; EQUIPMENT
Mfr Comm. #:
PIT5759B
Date Added:
September 14, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10179624-0001.pdf↗
August 3, 2020•Document ID: 10179622
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; EQUIPMENT
Mfr Comm. #:
PIT5761
Date Added:
September 14, 2020
Manufacturer:
CHEVROLET
Summary
This Preliminary information communicates an issue with a gurgle noise from the sunroof drains and advises customers to turn on the HVAC blower to clear the drain.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10179622-0001.pdf↗
July 30, 2020•Document ID: 10178409
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; ENGINE
Mfr Comm. #:
N202310520
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
Service Update - certain vehicles may have a condition where the engine oil cooler line is not fully seated into the quick connect at the radiator. Dealers are to inspect the engine oil cooler lines at the quick connector on the radiator to confirm they are fully seated.
Associated Products (4)
2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10178409-0001.pdf↗
July 30, 2020•Document ID: 10178396
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS; ELECTRICAL SYSTEM
Mfr Comm. #:
PIT5758A
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issues with front park assist false alerts caused by a software issues. Engineering has released updated software.
Associated Products (1)
2021 GMC Yukon
Associated Documents
- Download MC-10178396-0001.pdf↗
July 29, 2020•Document ID: 10178394
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
PIP5733A
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates Possible Crank no start or extended crank with DTC p12A6 set current or history. Under Investigation
Associated Products (6)
2021 Chevrolet Equinox 2021 Chevrolet Malibu 2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10178394-0001.pdf↗
July 29, 2020•Document ID: 10178391
Service Bulletin/Repair Instructions
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; ELECTRICAL SYSTEM
Mfr Comm. #:
PIT5759A
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10178391-0001.pdf↗
July 23, 2020•Document ID: 10178379
Service Bulletin/Repair Instructions
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; EQUIPMENT
Mfr Comm. #:
PIT5759
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.
Associated Products (2)
2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10178379-0001.pdf↗
July 10, 2020•Document ID: 10178369
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE
Mfr Comm. #:
PIT5758
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates an issues with front park assist false alerts caused by a software issues. Engineering is working on new software to correct this concern.
Associated Products (2)
2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10178369-0001.pdf↗
July 10, 2020•Document ID: 10178368
Service Bulletin/Repair Instructions
EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STRUCTURE:BODY
Mfr Comm. #:
PIT5757
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This Preliminary information communicates and issue with the front License Plate Bracket not fitting to the fascia correctly and advises dealership how to correct the fit issue.
Associated Products (2)
2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10178368-0001.pdf↗
June 25, 2020•Document ID: 10178287
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
20NA137
Date Added:
August 10, 2020
Manufacturer:
GMC
Summary
This informational bulletin provides information for dealers/technicians on the 2021 Chevrolet Suburban, Tahoe, GMC Yukon and Yukon XL New Model Features.
Associated Products (3)
2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10178287-0001.pdf↗
June 22, 2020•Document ID: 10178339
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
PIP5738
Date Added:
August 10, 2020
Manufacturer:
CHEVROLET
Summary
This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Associated Products (3)
2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon
Associated Documents
- Download MC-10178339-0001.pdf↗
June 12, 2020•Document ID: 10178325
Service Bulletin/Repair Instructions
ENGINE; EQUIPMENT
Mfr Comm. #:
PIP5726
Date Added:
August 10, 2020
Manufacturer:
CHEVROLET
Summary
This Preliminary Information communication advises the technician that the Product Quality Center has a part restriction for the Engine Control Module. The dealer technician is advised to call the GM Product Quality Center for further assistance
Associated Products (4)
2021 Chevrolet Suburban 2021 Chevrolet Tahoe 2021 GMC Yukon 2021 GMC Yukon XL
Associated Documents
- Download MC-10178325-0001.pdf↗

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