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.
P2450Fuel Tank Isolation Valve Stuck Open
P2450Fuel Tank Isolation Valve "A" Circuit Open
P2450Fuel Tank Isolation Valve "A" Circuit Open
Manufacturer communications
30Original wording in English
FORD
This bulletin supersedes 26-2238. Reason for update: To update the Service Procedure to include diagnostics for the fuel vapor vent valve and the fuel tank isolation valve. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P2450…
FORD, LINCOLN
This bulletin supersedes 25-2326. Reason for update: update the service procedure to include the fuel tank isolation valve replacement, update the causal part number, and increase the labor time allowance to include the fuel tank isolation valve replacement. Some of the vehicles listed in the Model statement above may exhibit an…
FORD
This article supersedes TSB 26-2130 to update labor operation to reprogram the PCM and check EVAP system from actual time to fixed time, and add extra time to reprogram coordinated modules (if required). Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp (MIL) with diag…
FORD, LINCOLN
Some vehicles listed in the Model section above may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P2418:72 and/or P2450 stored in the PCM. This may be due to improperly connected evaporative emission line connections inside the fuel tank.
Check vehicle applicability
105A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Alfa Romeo | TONALE ↗ | 2025 |
| Alfa Romeo | TONALE PHEV ↗ | 2024 |
| Bentley | BENTAYGA ↗ | 2021 |
| Bentley | BENTAYGA ↗ | 2020 |
| Bentley | BENTAYGA ↗ | 2019 |
| Bentley | CONTINENTAL GT ↗ | 2022 |
| Bentley | CONTINENTAL GT ↗ | 2021 |
| Bentley | CONTINENTAL GT ↗ | 2020 |
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.