Dodge Challenger 2020 — technical service bulletin
Bulletin 08-176-21 · NHTSA communication 10204402 · issued Nov 18, 2021
Technical service bulletin
communication type
Electrical System
component
2020
model years
2
vehicle entries
Official summary
Flash: Radio Frequency Hub Module (RFHM) Updates This bulletin involves reprogramming the RFHM with the latest software available. The customer may describe that they heard about these vehicles that can be unlawfully driven away by thieves when they are able to program new key fobs through the RFHM.Software enhancement include: Update to the RFHM software to prevent hackers from programming their own key fob to the vehicle. This will deter any unwanted drive off of the vehicle without the customers knowledge. Performing this RFHM update will prevent additional key fob programming and this must
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.