RAM 1500 2021 — technical service bulletin
Bulletin 0804221 · NHTSA communication 10220962 · issued Mar 18, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Flash: Body Control Module (BCM) Updates This bulletin involves updating the BCM with the latest available software. Customer may comment that the hill descent button is inoperative.
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.