RAM 1500 2020 — technical service bulletin
Bulletin 0804121 · NHTSA communication 10220961 · issued Mar 18, 2021
Technical service bulletin
communication type
Electrical System
component
2020
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 after pressing the remote start button twice on the key FOB, vehicle will chirp once, and fail to initiate remote start.This issue may be accompanied by a low voltage remote start inhibit monitor.
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.