JEEP, RAM
09-025-25
Manufacturer communications
- Publication date
- 2025-08-22
- Received by NHTSA
- 2025-08-27
- NHTSA record numbers
- 11022171
Manufacturer summary
Original wording in English
Disconnected Purge Line 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):
• P0300-00 - Multiple Cylinder Misfire.
• P0171-00 - System Too Lean Bank 1.
• P0174-00 - Fuel System 2/1 Lean. Customers may also experience one or more of the following:
• Vehicle running rough.
• Hissing noise from the engine.
• Vehicle does not start. This bulletin involves replacing the purge hose and canister purge tube.
• P0300-00 - Multiple Cylinder Misfire.
• P0171-00 - System Too Lean Bank 1.
• P0174-00 - Fuel System 2/1 Lean. Customers may also experience one or more of the following:
• Vehicle running rough.
• Hissing noise from the engine.
• Vehicle does not start. This bulletin involves replacing the purge hose and canister purge tube.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Jeep
P0171-00System Too Lean Bank 1Ram
P0171-00System Too Lean Bank 1Jeep
P0174-00Fuel System 2/1 LeanRam
P0174-00Fuel System 2/1 LeanJeep
P0300-00Multiple Cylinder MisfireRam
P0300-00Multiple 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 | 2025 |
| Jeep | WAGONEER | 2025 |
| Ram | 1500 | 2025 |