Jeep Grand Wagoneer 2024 — technical service bulletin
Bulletin 18-081-24 REV.A · NHTSA communication 11010257 · issued Nov 2, 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): ● P018B-00 - Fuel Pressure Sensor ""B"" Circuit Range/performance. ● P1CEA-00 - Boost Side Evap Purge System Performance. ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/stuck Off. The following software update is also available: ● Engine speed display improvement for tachometer on the Instrument Panel Cluster (IPC) - smoother tachometer display (previous was too acti
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.