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
| 21-NA-243 | 2022-04-05. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set. |
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| 18-NA-099 | 2022-04-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim. |
| 17-NA-052 | 2022-04-05. Service bulletin. WHEELS; EQUIPMENT. This bulletin updates the position of General Motors on refinishing fully color painted aluminum wheels with base paint. GM has established a new process for the way that refinishing under GM Warranty will be handled (U.S. ONLY). |
| 04-06-04-051F | 2022-04-05. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT:MECHANICAL. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. |
| PIE0661B | 2022-04-02. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Forward Collision Icon Message Illuminated on Driver Information Center (DIC) and/or No DTCs Set. |
| 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. |
| PIE0680 | 2022-03-19. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Driver Headlamp Stays On When Vehicle is Shut Off, Headlamp will Change in Color, Turn Signal Flickers and/or Stays On, GMC Logo Does Not Illuminate. |
| PIE0678B | 2022-03-19. Service bulletin. ELECTRICAL SYSTEM. This Engineering Information (EI) Closure ends the need for further information from the field regarding No Heat from Driver Side Inboard Dash Duct and/or Weak Heat On Driver Side. |
| 22-NA-047 | 2022-03-18. Service bulletin. ENGINE AND ENGINE COOLING. Information bulletin explains a possible coolant leak coming from the cylinder head bolt areas. |
| 21-NA-095 | 2022-03-18. Service bulletin. POWER TRAIN. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. |
| 20-NA-219 | 2022-03-18. Service bulletin. UNKNOWN OR OTHER. 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. |
| PIC6450 | 2022-03-14. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States. |
| PIP5653M | 2022-03-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. |
| PIT3271L | 2022-03-14. Service bulletin. WHEELS; TIRES. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection. |
| 22-NA-052 | 2022-03-09. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This service bulletin provides repair information to correct a customer concern of DTC B1038.64 set in the BCM and Door Ajar Message on Driver Information Center (DIC). |
| PIP5653L | 2022-02-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. This Preliminary information communicates that engineering is investigating a repair for a chirp noise associated with the front axle assembly. |
| PIT4322M | 2022-02-14. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed. |
| 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. |
| PIP4902P | 2022-02-14. Service bulletin. COMMUNICATION:MANUFACTURER TELEMATICS. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| PIP5632F | 2022-02-14. Service bulletin. ENGINE. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question. |
| PIP4723F | 2022-02-14. Service bulletin. SERVICE BRAKES, HYDRAULIC; FUEL SYSTEM, GASOLINE. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update. |
| 21NA287 | 2022-02-14. Service bulletin. SEATS:MID/REAR ASSEMBLY. This technical bulletin provides repair information to correct a customer concern of a sticky comfort adjuster handle release, seat tracks out of sync on left rear 40 % seat. |
| 21NA237 | 2022-02-14. Service bulletin. UNKNOWN OR OTHER; ENGINE AND ENGINE COOLING:COOLING SYSTEM. THis technical bulletin provides a procedure to perform a cooling system flush to remove possible debris from the cooling system pipes. |
| N202317390 Repro | 2022-02-07. Service bulletin. SERVICE BRAKES. Customer Satisfaction Program. Reprogramming resumed message. |
| N202317390 Repro | 2022-02-07. Service bulletin. SERVICE BRAKES. Customer Satisfaction Program. Reprogramming suspended message. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.