Service bulletins for the 2021 GMC Yukon
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1240 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Body and frame are shown. Show all
| 22-NA-057 | 2022-05-03. Service bulletin. STRUCTURE. This technical bulletin provides a procedure replace the tappet that is located on the fuel door. |
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| PI0281I | 2022-04-22. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; STRUCTURE. This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers. |
| 22-NA-052 | 2022-04-21. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; EQUIPMENT. This service bulletin provides repair information to correct a customer concern of DTC B1038 SYM64 set in the BCM and Door Ajar Message on Driver Information Center (DIC). |
| 20-NA-219 | 2022-04-06. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of a gurgle or sloshing noise heard coming from the front sunroof drain hose areas. |
| 21-NA-082 | 2022-04-01. Service bulletin. STRUCTURE; STRUCTURE:BODY:DOOR. This technical bulletin provides a procedure to install foam on window motors to prevent them from rubbing on the panels causing a noise. |
| PIC6384H | 2022-02-14. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| PIE0671 | 2022-01-03. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Rattle Type Noise Heard Coming from Rear Liftgate. |
| PIP5776E | 2021-09-13. Service bulletin. STRUCTURE:BODY. This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide and the four lifters. |
| PIC6384H | 2021-09-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| 21NA126 | 2021-08-09. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Rear Access Open Message Illuminated in DIC when Liftgate is Closed. |
| PIE0595A | 2021-08-09. Service bulletin. STRUCTURE. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to paint concerns with the front and/or rear fascias. |
| PIC6384F | 2021-06-14. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| PIC6384E | 2021-06-14. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| 21NA050 | 2021-05-03. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of paint chipping or peeling on front fascia, at interface of front fender and fascia near headlamp. |
| 19NA255 | 2021-05-03. Service bulletin. STRUCTURE. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only). |
| PIP5776B | 2021-04-19. Service bulletin. STRUCTURE. This Preliminary information communicates that a vehicle may exhibit a misfire condition resulting in misfire codes P0300-P308. Upon diagnosis it may be discovered the lifter has come apart. It is recommended to replace the lifter guide and the four lifters. |
| PIC6384D | 2021-04-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a parts restriction is in place for the Body Control Module on 2020 Cadillac CT4, CT5, Chevrolet Corvette, Suburban, Tahoe and GMC Yukon. |
| PIE0597A | 2021-03-08. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the power liftgate inoperative. |
| 21NA026 | 2021-03-08. Service bulletin. EQUIPMENT; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. |
| 20NA208 | 2021-03-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE. This technical bulletin provides repair information to correct a customer concern of Assist Step Running Boards Inoperable and Not Functioning with Door Operation. |
| 20NA219 | 2021-02-22. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; VISIBILITY:SUN/MOON ROOF ASSEMBLY. This technical bulletin provides repair information to correct a customer concern of a gurgle or sloshing noise heard coming from the front sunroof drain hose areas. |
| N202315510 | 2020-12-21. Service bulletin. EQUIPMENT; STRUCTURE. Customer Satisfaction program. Certain vehicles may have a condition in which the trailering label has zeroed out information on the label. Information such as Gross Combined Weight Rating (GCWR), Conventional Trailering Weight Rating (TWR) and Max Tongue Weight may show a zero instead of the proper amounts. Install the updated label. Because this label can easily be installed by the customer, and to reduce their inconvenience, labels and installation instructions will be mailed to customers of record. |
| PIE0597 | 2020-12-21. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the power liftgate inoperative. |
| 990851001E | 2020-12-21. Service bulletin. EQUIPMENT; STRUCTURE. Thins informational bulletin provides information on Paint-less Dent Repair Process. |
| PIT5797 | 2020-12-14. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. This Preliminary information communicates and issue with the hands free liftgate feature being inoperative after the vehicle has been turned off for an extended time. Dealers are to reprogram the BCM to correct this concern. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.