DTC P0454-00; Fuel Tank Pressure Sensor Intermittent Malfunction: Notes
DTC P0454-00; FUEL TANK PRESSURE SENSOR INTERMITTENT MALFUNCTION - DETECTION CONDITION & POSSIBLE CAUSE
| DTC P0454:00 |
Fuel tank pressure sensor intermittent malfunction |
| DETECTION CONDITION |
- Any one of the following conditions is met:
- The difference between the currently detected fuel tank pressure sensor input voltage and the previously detected input voltage is large.
- The input voltage of the fuel tank pressure sensor remains low or high.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA/Snapshot data is available.
- DTC is stored in the PCM memory.
|
| FAIL-SAFE FUNCTION |
Not applicable |
| POSSIBLE CAUSE |
- Wiring harness malfunction between PCM and fuel tank pressure sensor
- Fuel tank pressure sensor malfunction
- Intermittent open or short circuit in the fuel tank pressure sensor or fuel tank pressure sensor signal
- PCM malfunction
|
| SYSTEM WIRING DIAGRAM |
Not applicable |