RAM Promaster 2018–2020 — technical service bulletin
Bulletin 08-123-19 · NHTSA communication 10170386 · issued Dec 12, 2019
Technical service bulletin
communication type
Structure
component
2018–2020
model years
3
vehicle entries
Official summary
Flash: Body Control Module (BCM) Enhancements This bulletin involves updating the Body Control Module (BCM) with the latest available software. Customer may experience the following:A warning on the Electronic Vehicle Information Center (EVIC) stating that the running lights are out. Further inspection reveals all lights are functional. Battery state of charge may be low.
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.