RAM Promaster 2020 — technical service bulletin
Bulletin 9004359 · NHTSA communication 10220836 · issued Mar 10, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2020
model years
1
vehicle entries
Official summary
BULB, C5W, License Plate Bulb For concern of light bar bulb inoperative/burned out, please replace the entire light bar assembly (5MA21RFXA$) instead of replacing the affected bulb and send the assembly to QEC. If possible, please indicate which side the bulb failed in the repair narrative. Please call FCA Redacted Content prior to replacing the component (if needed). If no response in 15 minutes, proceed with repair.
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.