Service bulletins for the 2020 GMC Acadia
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.
885 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Electrical system are shown. Show all
| 19NA167 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative. |
|---|---|
| 19NA076 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM; 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. |
| 19NA044 | 2021-07-19. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy. |
| 18NA279 | 2021-07-19. Service bulletin. LATCHES/LOCKS/LINKAGES; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. |
| 21NA124 | 2021-07-06. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set. |
| 19NA167 | 2021-07-06. Service bulletin. ELECTRICAL SYSTEM. This service bulletin provides repair information to correct a customer concern of a water leak into interior, and/or various electrical concerns, liftgate actuator noisy or inoperative. |
| 21NA061 | 2021-05-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This service bulletin provides information for dealers on Using EL-52545 When Diagnosing PEPs Transmitter Key Fobs (North America ONLY). |
| PIE0610A | 2021-05-03. Service bulletin. ELECTRICAL SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Loss of Power, Instrument Panel Cluster (IPC) Gauges are Inoperative and/or Fluctuate, Multiple Warning Lights on DIC. |
| 20NA132 | 2021-05-03. Service bulletin. ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements. |
| PIT5745B | 2021-04-19. 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. |
| PIE0608A | 2021-03-08. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) and also having multiple DTCs set. |
| PIE0608 | 2021-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Service AWD Lamp illuminated on the Driver Information Center (DIC) and also having multiple DTCs set. |
| PIE0588B | 2021-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC?s set after a battery discharge, jump start and/or battery replacement. |
| 030846004X | 2021-03-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin announces that the Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only) has ended. |
| 20NA232 | 2021-02-22. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE; ELECTRICAL SYSTEM. This service bulletin provides a service procedure to correct a customer concern of Power Liftgate Stops When Opening and/or Will Not Close from Open Position DTC B153F Sets. |
| 20NA199 | 2021-02-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. |
| 20NA199 | 2021-02-01. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. |
| 16NA019 | 2021-02-01. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin provides information on Transmission Adaptive Functions and Correcting Low Mileage Harsh Shifts, Slips, or Flares. |
| PIC6420C | 2021-01-25. Service bulletin. ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN. This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse. |
| PIC6420B | 2021-01-25. Service bulletin. ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN. This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse. |
| 20NA216 | 2020-12-21. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS; EQUIPMENT; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of the front sunroof window intermittently does not open or close, and/or binds and closes at an angle. |
| 20NA199 | 2020-12-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides programming information for Radio Software Version U150 Update to correct software issues on infotainment systems IOS, IOT or IOU. |
| PIC6420A | 2020-12-14. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:VIDEO (TOUCH)SCREEN/MONITOR/UNIT; EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM:ADAS:VIDEO MONITOR/SCREEN. This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse. |
| PIC6420 | 2020-12-14. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM. This Preliminary information communicates information on coax cable connection concerns that can cause a black screen in reverse. |
| PIE0588A | 2020-12-07. Service bulletin. ELECTRICAL SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to multiple DTC's set after a battery discharge, jump start and/or battery replacement. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.