Service bulletins for the 2021 Buick Encore GX
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.
674 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 05-03-08-002J | 2024-09-20. Service bulletin. SUSPENSION. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak. |
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| 23-NA-044 | 2024-09-11. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage. |
| PIC6086H | 2024-09-11. Service bulletin. UNKNOWN OR OTHER. This Preliminary Information communication provides the technician with steps to resolve the issue of an oily substance that may be found on the inside windshield surface, and appears to be leaking from the rear view mirror area. Technician will remove the moisture sensor and clean the glass and mounting bracket with alcohol wipe. If the gel separates from the sensor the sensor will need to be replaced. |
| PIP5964D | 2024-09-06. Service bulletin. ENGINE. This Preliminary information communicates a vehicle may come to the dealer with a complaint of no start, stalling, rough idle, no acceleration, loss of power, erratic shifting, fuel gauge inoperative, MIL illuminated with various codes stored. Technicians are directed to replace the K111FPDCM if any of these conditions can be validated and code P023F or P129F is found. |
| PIT3271P | 2024-09-06. Service bulletin. UNKNOWN OR OTHER. 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. |
| 23-NA-141 | 2024-09-06. Service bulletin. ENGINE. This informational bulletin advises the technician that the engine and related parts will be debited if found that the tech did not properly prepare the engine block from dirt and debris in bolt holes or if found that the block was damaged by the tech. |
| 16-NA-222 | 2024-09-05. Service bulletin. ENGINE. This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations. |
| 09-06-04-026Y | 2024-09-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2. |
| 07-06-01-016J | 2024-09-05. Service bulletin. ENGINE. This service bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement. |
| 05-06-04-022V | 2024-09-05. Service bulletin. FUEL/PROPULSION SYSTEM. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL. |
| 01-06-01-011P | 2024-09-05. Service bulletin. ENGINE. This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption. |
| 24-NA-139 | 2024-09-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set. |
| 01-00-89-010S | 2024-08-30. Service bulletin. UNKNOWN OR OTHER. This service bulletin provides information on a guide to help reduce repeat visits for the same customer concern. |
| 00-06-01-012N | 2024-08-30. Service bulletin. ENGINE. This service bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts. |
| 18-NA-306 | 2024-08-28. Service bulletin. UNKNOWN OR OTHER. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). |
| General Communication | 2024-08-26. Service campaign. ELECTRICAL SYSTEM. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers. |
| PI0754G | 2024-08-17. Service bulletin. VISIBILITY/WIPER. This PI provides information on Rear and Side Tempered Glass Spots (Quench Marks) and that they are a normal characteristic. |
| PIC6553A | 2024-08-16. Service bulletin. POWER TRAIN. This Preliminary information communicates the direction to take when a customer complains about a vibration when parking on a steep slope with engine running. |
| 24-NA-141 | 2024-08-15. Service bulletin. POWER TRAIN. GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This bulletin advises the dealers to be more careful not to damage the transmissions during removal and to package the core properly for return. |
| PIC6486G | 2024-08-15. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. This Preliminary information communicates the part ordering restriction of the 6.2L L87 engine. |
| 24-NA-139 | 2024-08-15. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. This bulletin provides a procedure to replace the FPDCM if found to cause customers concerns of Crank No Start, Stalling, Loss of Power, Fuel Gauge Inoperative/Erratic, MIL Illuminated - DTC P023F and/or P129F Set. |
| 18-NA-279 | 2024-08-14. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. |
| PIC6553 | 2024-08-13. Service bulletin. ENGINE. This Preliminary information communicates the direction to take when a customer complains about a vibration when parking on a steep slope with engine running. |
| PIC6486F | 2024-08-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution. |
| 12-01-37-001G | 2024-08-13. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.