RAM 1500 2017 — technical service bulletin
Bulletin 21-013-17 · NHTSA communication 10217584 · issued Mar 31, 2017
Technical service bulletin
communication type
Power Train
component
2017
model years
1
vehicle entries
Official summary
Flash: Transmission Diagnostic And Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. Some customers may experience a less than desirable shift quality or the vehicle stuck in a fixed gear during a limp in mode.The following enhancement is included in the software update: Improved transmission shift quality and allowing the transmission to shift multiple gears during a limp mode condition.
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.