RAM 3500 2025 — technical service bulletin
Bulletin 18-021-25 · NHTSA communication 11017153 · issued Apr 17, 2025
Technical service bulletin
communication type
Power Train
component
2025
model years
1
vehicle entries
Official summary
"Flash: Powertrain Control Module (PCM) Updates Customers may comment on one or more of the following: ● Malfunction Indicator Lamp (MIL) or check engine light illuminated. ● Cruise control drops out/cancels on its own. ● Engine stumble, runs rough, or a slight lack of power. The following software enhancements are also available: ● Reduce the occurrence of false faults DTCs P0300 and P0315. ● DTC P1451 retune to reduce false faults. ● Improvements to allow DTC P2509 faults to be cleared with wiTECH. ● Adaptive Cruise Control (ACC) software fix to prevent cruise control dropouts. ● Engine stum
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.