Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin 18-064-24 · NHTSA communication 11005322 · issued Jul 25, 2024
Technical service bulletin
communication type
Power Train
component
2023
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 the following Diagnostic Trouble Code (DTC):** ● **P018B - Fuel Pressure Sensor ""B"" Circuit Range/Performance.** Customer may also experience one or more of the following: ● **Undesirable vehicle drivability behavior causing the a Shift to Park event during Engine Stop Start (ESS) while Adaptive Cruise Control (ACC) is active. ● Pressing ACC button while ESS active can shift the vehicle to park. ● Idle speed oscillations observed when in
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.