Jeep Grand Wagoneer 2024 — technical service bulletin
Bulletin 18-086-24 · NHTSA communication 11011903 · issued Dec 11, 2024
Technical service bulletin
communication type
Power Train
component
2024
model years
2
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): ● **P0325 - Knock/Combustion Vibration Sensor ""A"" Circuit. ● P0330 - Knock/Combustion Vibration Sensor ""B"" Circuit. ● P0300 - Multiple Cylinder Misfire. (NA Market Only) ● P032A - Knock/Combustion Vibration Sensor ""C"" Circuit. ● P018B - Fuel Pressure Sensor ""B"" Circuit Rang/Performance. ● P1CEA - Boost Side EVAP Purge System Performance. (NA Market Only)** ● P00F3 - Humidi
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.