Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
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A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
P04B6-00Fuel Fill Door Stuck Closed (Stored Status)
Manufacturer communications
2Original wording in English
JEEP
Flash: Powertrain Control Module (PCM) Updates - PCR8A3 Technicians may find one or more of the following Diagnostic Trouble Code (DTC): SYMPTOM: ● **P22D3-00 - Turbo Turbine Inlet Valve Stuck Closed. DTC falsely sets. ● P016A-00 - Excessive Time To Enter Closed Loop Air/fuel Ratio Control. DTC falsely sets.** ● P04B6-00 - Fuel …
JEEP
Flash: Powertrain Control Module (PCM) Updates - PCR8A3 Technicians may find the following Diagnostic Trouble Code (DTC): ● P04B6-00 - Fuel Fill Door Stuck Closed (Stored Status). NOTE: There will be no Malfunction Indicator Lamp (MIL) for this DTC. Customers may also experience one or more of the following: ● The vehicle will n…
Check vehicle applicability
1A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Jeep | CHEROKEE ↗ | 2026 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.