RAM 1500 2026 — technical service bulletin
Bulletin 18-054-26 · NHTSA communication 11032973 · issued May 20, 2026
Technical service bulletin
communication type
Engine
component
2026
model years
1
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● A noticeable decrease in engine RPM occurs during immediate gear engagement following a cold engine start. This bulletin involves reprogramming the PCM with the latest available software.
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.