JEEP
08-158-25
Manufacturer communications
- Publication date
- 2025-05-16
- Received by NHTSA
- 2025-05-20
- NHTSA record numbers
- 11018474
Manufacturer summary
Original wording in English
"Flash: Air Suspension Control Module (ASCM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• U0300-00 - Internal Control Module Software Incompatibility. Customers may also experience:**
• After towing a heavy load above the protection limit, the air suspension will only lower and will remain in low ride height. Instrument Panel Message (IPC) message ""selected ride height not permitted due to payload"" appears. This bulletin involves reprogramming the ASCM with the latest available software."
• U0300-00 - Internal Control Module Software Incompatibility. Customers may also experience:**
• After towing a heavy load above the protection limit, the air suspension will only lower and will remain in low ride height. Instrument Panel Message (IPC) message ""selected ride height not permitted due to payload"" appears. This bulletin involves reprogramming the ASCM 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
U0300-00Internal Control Module Software IncompatibilityCheck 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 |