JEEP
21-017-25
Manufacturer communications
- Publication date
- 2025-03-04
- Received by NHTSA
- 2025-03-11
- NHTSA record numbers
- 11015515
Manufacturer summary
Original wording in English
Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC):
• P0300 - Multiple Cylinder Misfire. NOTE: DTC P0300 will be set in the Powertrain Control Module (PCM). No DTCs will be stored in the TCM. Customers may also experience the following:
• Rough running engine.
• P0300 - Multiple Cylinder Misfire. NOTE: DTC P0300 will be set in the Powertrain Control Module (PCM). No DTCs will be stored in the TCM. Customers may also experience the following:
• Rough running engine.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0300Multiple Cylinder MisfireCheck 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 | 2022 |
| Jeep | WAGONEER | 2022 |