RAM 2500 2024 — technical service bulletin
Bulletin 18-004-26 · NHTSA communication 11028231 · issued Jan 27, 2026
Technical service bulletin
communication type
Engine
component
2024
model years
4
vehicle entries
Official summary
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P1404 - EGR Close Position Performance. Customers may also comment on one or more of the following: ● Engine tugging. ● Unstable idle. 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.