RAM 1500 2025 — technical service bulletin
Bulletin 18-088-24 · NHTSA communication 11011914 · issued Dec 12, 2024
Technical service bulletin
communication type
Engine
component
2025
model years
1
vehicle entries
Official summary
"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P0300 - Multiple Cylinder Misfire. Customers may experience one of the following: ● Vehicle runs rough on initial cold start only after an overnight or extended soak. This bulletin involves inspecting and possibly 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.