Service bulletins for the 2021 Buick Envision
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.
698 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
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Only bulletins with component: Electrical system are shown. Show all
| 20NA157 | 2020-10-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. This bulletin provides information on the Transport Mode On Message Being Displayed in the Driver Information Center (DIC) and/or Battery Light is Flashing and the procedures to turn the Transport Mode message ON and OFF. |
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| PIT5781 | 2020-10-19. Service bulletin. ELECTRICAL SYSTEM. This preliminary information discusses that Customer will see Service Headlamp message on DIC. Adaptive Forward Lighting (AFL) will set DTC C103D.11 sending it into failsafe state. Technician should reprogram AFL module to repair concern. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.