Jeep Gladiator 2023 — technical service bulletin
Bulletin 18-040-24 · NHTSA communication 11001127 · issued May 2, 2024
Technical service bulletin
communication type
Power Train
component
2023
model years
1
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 the following Diagnostic Trouble Code (DTC):** ● P0300 - Multiple Cylinder Misfire. 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.