RAM 1500 2020 — technical service bulletin
Bulletin 0811621 · NHTSA communication 10221667 · issued Jul 13, 2021
Technical service bulletin
communication type
Air Bags
component
2020
model years
1
vehicle entries
Official summary
Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. Customers may experience one or more of the following:Exterior mirrors do not return to the original position after shifting out of reverse gear. Exterior mirrors continue to tilt downwards even after shifting out of reverse gear.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.