Dodge Challenger 2018 — technical service bulletin
Bulletin 1811722 · NHTSA communication 10221490 · issued Jun 17, 2022
Technical service bulletin
communication type
Power Train
component
2018
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software enhancements are available:Engine REV stationary exhaust noise restrictions. Complaint of noticeable low RPM during a hard braking procedure.
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.