RAM 1500 2024 — technical service bulletin
Bulletin 18-015-26 · NHTSA communication 11028768 · issued Feb 4, 2026
Technical service bulletin
communication type
Engine
component
2024
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 one or more of the following Diagnostic Trouble Codes (DTCs): lP0300-00 - Multiple Cylinder Misfire - in Active or Stored status set during cold start catalyst heating. lP0301-00 - Cylinder 1 Misfire - in Active or Stored status set during cold start catalyst heating. lP0302-00 - Cylinder 2 Misfire - in Active or Stored status set during cold start catalyst heating. lP0303-00 - Cylinder 3 Misfire - in Active or Stored status set during cold sta
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.