JEEP
18-063-24
Manufacturer communications
- Publication date
- 2024-07-25
- Received by NHTSA
- 2024-07-30
- NHTSA record numbers
- 11005321
Manufacturer summary
Original wording in English
"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 Control (ACC) is active.
• Pressing ACC button while ESS active can shift the vehicle to park.
• Idle speed oscillations observed when in Snow and Mud modes.
• Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start.
• Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode. This bulletin involves reprogramming the PCM with the latest available software."
• 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 Control (ACC) is active.
• Pressing ACC button while ESS active can shift the vehicle to park.
• Idle speed oscillations observed when in Snow and Mud modes.
• Poor engine performance (undershoots engine speed) for ESS and for non-ESS engine start.
• Screen two incorrectly pops up on the Instrument Cluster Panel (IPC) for 5 seconds during Terrain and Rock mode. This bulletin involves reprogramming the PCM with the latest available software."
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P00F3Humidity Sensor Circuit Range/PerformanceJeep
P06DDEngine Oil Pressure Control Circuit Performance/Stuck OffCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | GRAND WAGONEER | 2024 |
| Jeep | WAGONEER | 2024 |