Service bulletins for the 2020 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.
638 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| 18-NA-306 | 2022-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). |
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| 11-00-89-005T | 2022-09-07. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only). |
| 20-NA-065 | 2022-09-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides information on tools available to find an intake vacuum leak or exhaust leak to correct a condition of MIL Illuminated with Multiple Fuel Trim and/or Oxygen Sensor Codes Set. |
| 19-NA-044 | 2022-08-29. Service bulletin. ENGINE AND ENGINE COOLING; FUEL SYSTEM, GASOLINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. |
| PIP5860 | 2022-08-15. Service bulletin. FUEL SYSTEM, GASOLINE; EQUIPMENT. This Preliminary information communicates the possibility of dtc p0089 or p0228c be set in history and advising not to replace fuel system components unless codes are active and published diagnostics have been completed. |
| 21-NA-177 | 2022-08-04. Service bulletin. STEERING. This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 - Steering Wheel Angle Sensor Error Set. |
| 18-NA-306 | 2022-08-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Warranty Administration service bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA). |
| 04-00-89-015X | 2022-08-03. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information on Warranty Administration – Required Operating Procedures - 8 Points (U.S. Only). |
| PIT5921 | 2022-07-25. Service bulletin. BACK OVER PREVENTION. This Preliminary information communicates diagnostics aids for rear view camera issues that may be encountered. |
| 21-NA-003 | 2022-07-14. Service bulletin. POWER TRAIN. This service bulletin provides a repair procedure to correct a customer concern of Loss of and/or Reduced Propulsion. |
| 22-NA-135 | 2022-07-12. Service bulletin. EQUIPMENT. This warranty admin bulletin covers information on Essential Tools that include Consumable Parts. |
| 12-01-37-001F | 2022-07-12. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant (R1234yf) for A/C service. |
| 22-NA-115 | 2022-07-12. 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. |
| 22-NA-070 | 2022-07-12. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for replacement parts traceability (RPT) process to aid in tracking part replacements. |
| 21-NA-026 | 2022-07-12. Service bulletin. EQUIPMENT. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen. |
| 19-NA-076 | 2022-07-11. Service bulletin. EQUIPMENT. This service bulletin provides repair information to correct a customer concern of Blue or Black Screen and Service Rear Vision System Message on Radio Display Shifting into Reverse. |
| PIE0682A | 2022-07-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. This engineering information (EI) closure ends the needs for any more picture requests from the field of Broken Wire in Harness Between ECM and Multifunction Sensor (MAF Sensor). |
| 22-NA-009 | 2022-07-01. Service bulletin. ENGINE AND ENGINE COOLING. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters. |
| 20-NA-159 | 2022-06-25. Service bulletin. WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only). |
| 21NA177 | 2022-06-21. Service bulletin. STEERING:ELECTRIC POWER ASSIST SYSTEM; STEERING. This service bulletin provides repair information to correct a customer concern of Service Power Steering DIC Message, DTC C0051 58 - Steering Wheel Angle Sensor Error Set. |
| 21NA135 | 2022-06-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content. |
| 21NA293 | 2022-06-21. Service bulletin. ENGINE AND ENGINE COOLING. This technical bulletin provides repair information to correct a customer concern of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler Icing - Malfunction Indicator Lamp (MIL) Illuminated, DTC P0299, P0234, P0236, P00C7 Set. |
| 20NA079 | 2022-06-21. Service bulletin. SERVICE BRAKES; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides a procedure to correct a condition of Front Brake Squeal Noise Heard During Light Brake Pedal Application. |
| PIT5745D | 2022-06-13. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw. |
| PI0653F | 2022-06-13. Service bulletin. STRUCTURE; EQUIPMENT. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.