Jeep Gladiator 2024 — technical service bulletin
Bulletin 18-044-24 · NHTSA communication 11001133 · issued May 3, 2024
Technical service bulletin
communication type
Power Train
component
2024
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 one or more of the following Diagnostic Trouble Codes (DTCs): ● P1129 - closed loop fueling not achieved - Bank 2 Upstream. ● P0158 - O2 Sensor 2/2 circuit high. ● P0152 - O2 Sensor 2/1 circuit high. ● P2504 - Charging system output high. ● P0563 - Battery/system voltage high. Customers may also experience the following: ● The engine runs rough. 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.