RAM 1500 2013 — technical service bulletin
Bulletin 21-008-14 · NHTSA communication 10136993 · issued Mar 8, 2014
Technical service bulletin
communication type
Electrical System
component
2013
model years
1
vehicle entries
Official summary
Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module (TCM) with new software. The customer may indicate that they may have experienced any of the following: Poor heavy throttle downshift response Vehicle does not spend enough time in eighth gear
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.