Service bulletins for the 2021 GMC Yukon XL
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.
1234 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 23-NA-007 | 2023-02-21. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Black Radio Display Screen (Triangle and Camera with Slash Through it) with DTCs B1A62 82 and 86 Setting Current in Video Processing Module (VPM). |
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| 23-NA-006 | 2023-02-21. Service bulletin. STRUCTURE; EQUIPMENT. This technical bulletin informs the dealer to add foam to the base of the clips to correct the condition of Instrument Panel Trim Plate Applique Loose. |
| 22-NA-115 | 2023-02-21. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This service bulletin provides information for U.S. dealers ONLY to refer to the Battery Maintenance Report to identify vehicles in dealer inventory that require attention. |
| N212355140-01 | 2023-02-17. Service bulletin. ENGINE AND ENGINE COOLING. Service Update- Certain vehicles may have a condition where the engine control module calibrations can be enhanced to improve the accuracy of certain diagnostic tests. Dealers are to reprogram the engine control module. |
| PIT5832E | 2023-02-13. Service bulletin. COMMUNICATION. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly. |
| PIT5946B | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp. |
| PIT5949A | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:HATCHBACK/LIFTGATE; VISIBILITY:SUN/MOON ROOF ASSEMBLY. This Preliminary information communicates an issue during start up that the following symptoms occur: - Service Safety Restraints System Message - Sunroof Inoperative - Sunshade Lights Inoperative - Dome Lights Inoperative - Power Liftgate Inoperative when using switch in overhead console - DTCs U1121 set in the BCM and B1A7A set in the Restraints Module Engineering is currently working on a fix and in the meantime a customer can cycle the dome light switch on/off to correct the condition during that ignition cycle. |
| PIT5971 | 2023-02-13. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary information communicates to the technician that GM is aware of this concern with audio loss and the OnStar LED being red. GM is working on a solution to correct this customers concern. |
| PIT5868B | 2023-02-13. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary information communicates an issues will low or poor heater performance on the drivers side. Dealers are to inspect the HVAC temperature door linkage and if ok replace the heater core. |
| PIT5969 | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY. This Preliminary information communicates an issues with the side blind alert icon not working properly after a short range radar is replaced. Dealers are to perform a return to factory settings to correct the issue. |
| PIT5966A | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates an issue with an OTA pending message still displayed after an OTA event and how to reset/clear the message. |
| PIT5762F | 2023-02-13. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This Preliminary information communicates an issues with false codes setting in vehicles due to timing issues between the modules. |
| 07-03-16-004E | 2023-02-08. Service bulletin. EQUIPMENT; WHEELS; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This service bulletin provides information for tire pressure monitoring (TPM) system concerns. |
| 00-00-90-002M | 2023-02-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; WHEELS; TIRES. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks. |
| PIE0721A | 2023-02-08. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; STRUCTURE. This engineering information (EI) ends the need for gathering information from technicians in regards to the roof panel joint finish molding being detached and/or loose from the roof retaining clip. |
| 22-NA-015 | 2023-02-08. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. This informational bulletin provides graphs to help identify possible issues that may cause shaking and shudders and what may be the cause of said issue. |
| 21-NA-281 | 2023-02-08. Service bulletin. POWER TRAIN. This service bulletin provides diagnostic information for technicians in cases of an ETRS system fault or a no start condition - If the vehicle needs to be moved, it is recommended to use wheel dollies, tire skates or the NEW Manual Park Release tool DT-52910. |
| 21-NA-095 | 2023-02-08. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to seal the exhaust at the UFSCR and Tailpipe flange. |
| 22-NA-258 | 2023-02-08. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body. |
| 22-NA-248 | 2023-02-08. Service bulletin. EQUIPMENT; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING. This technical bulletin provides service information to correct a customer concern of HVAC Heat Intermittently Inoperative, DTCs B2B05 and/or B2B06 Set. |
| 22-NA-232 | 2023-02-08. Service bulletin. POWER TRAIN. This informational bulletin advises the technician of a possibly noise coming from the transmission oil pump. |
| 22-NA-220 | 2023-02-08. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to replace the fuel feed line if found the cause of the failure which set the DTC. |
| 22-NA-187 | 2023-02-07. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. This informational bulletin advises the tech to inspect the transfer case motor electrical connectors for possible damage or corrosion that might be caused by a damage grommet inside the electrical connector. |
| 21-NA-244 | 2023-02-07. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This service bulletin provides a repair procedure to correct a customer concern of a No Fob detected message on Driver Information Center (DIC) and/or No Crank / No Start condition. |
| 21-NA-068 | 2023-02-07. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.