Dodge Challenger 2017 — technical service bulletin
Bulletin 18-056-17 · NHTSA communication 10138903 · issued Jun 8, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following software enhancements are available:Calibration update to allow the throttle body to be cycled while the engine is off, for diagnostic purposes. Reverse gear lock-out change from 16 kph (10 mph) to 4.8 kph (3 mph) (Sales Code DEC). PCM to allow transmission gear shifting in the limp-in mode rather than fixed gear (Sales Code DFK).
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.