Jeep Grand Cherokee 2024 — technical service bulletin
Bulletin 18-009-25 · NHTSA communication 11015541 · issued Mar 1, 2025
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 the following Diagnostic Trouble Code (DTC): ● P2066 - Fuel Level Sensor 2 Performance. Customers may experience the following: ● When overriding the electric park brake (EPB) while it remains engaged due to unbuckled seat belt in Drive or Reverse, the high torque request with the parking brake engaged may lead to Rear Drive Unit (RDU) damage/broken."
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.