Jeep Grand Wagoneer 2024 — technical service bulletin
Bulletin 18-063-24 · NHTSA communication 11005321 · issued Jul 25, 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): ● P06DD - Engine Oil Pressure Control Circuit Performance/Stuck Off. ● P00F3 - Humidity Sensor Circuit Range/Performance. Customer may also experience one or more of the following: ● Customers may experience coasting complaints at lower speed. ● Undesirable vehicle drivability behavior causing a vehicle Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Contr
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.