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.
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HOMESERVICE MANUALSNISSAN-DATSUN2014VERSA NOTE S, STANDARD TRANSREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DIAGNOSTIC CODES & SYMPTOM TESTS)DTC/CIRCUIT DIAGNOSISDTC P0451: EVAP CONTROL SYSTEM PRESSURE SENSORDTC LOGICDTC DETECTION LOGIC
2014 Nissan-Datsun Versa Note S, Standard Trans
DTC Detection Logic
2014 Nissan-Datsun Versa Note S, Standard TransSECTION DTC Detection Logic
NOTE:
If DTC P0451 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
"DTC LOGIC ".
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0451 | EVAP SYS PRES SEN (EVAP control system pressure sensor performance) | ECM detects a sloshing signal from the EVAP control system pressure sensor |
|
RENDER: 1.0x
NO RELATED
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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.