Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
EVAP DTCS
/Performance Problem DTC P0452 FTP Sensor Circuit Low Voltage DTC P0453 FTP Sensor Circuit High Voltage DTC P0455 EVAP System Large Leak Detected DTC P0456 EVAP System Very Small Leak Detected DTC P0457 EVAP System Leak Detected/Fuel Fill Cap Loose or Missing DTC P0496 EVAP System High Purge Flow Detected DTC P0497 EVAP System Low Purge Flow Detected (Without SH-AWD) DTC P0497 EVAP System Low Purge Flow Detected (With SH-AWD) DTC P0498 EVAP Canister Vent Shut Valve Circuit Low Voltage DTC P0499 EVAP Canister Vent Shut Valve Circuit High Voltage DTC P1454 FTP Sensor Circuit Range/Performance Problem DTC P2422 EVAP Canister Vent Shut Valve Stuck Closed Malfunction DTC P1458 FTP Sensor Circuit Range/Performance Problem DTC P145C EVAP System Purge Flow Malfunction
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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