Related DTCS
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. | Monitoring Items |
|---|---|
| P043E | 0.02 inch orifice clogged (built into pump module) |
| P043F | 0.02 inch orifice high-flow (built into pump module) |
| P0441 |
|
| P0450 | Pressure sensor (built into pump module) voltage abnormal fluctuation |
| P0451 |
|
| P0452 | Pressure sensor (built into pump module) voltage low |
| P0453 | Pressure sensor (built into pump module) voltage high |
| P0455 | EVAP gross leak |
| P0456 | EVAP small leak |
| P2401 | Vacuum pump stuck OFF (built into pump module) |
| P2402 | Vacuum pump stuck ON (built into pump module) |
| P2419 | Vent valve stuck closed (built into pump module) |
| P2420 | Vent valve stuck open (vent) (built into pump module) |
| P2610 | Soak timer (built into ECM) |
If any EVAP system DTCs are set, the malfunctioning area can be determined using the table below.
NOTE:
If the 0.02 inch reference pressure difference between the first and second checks is greater than the specification, the DTCs corresponding to the reference pressure (P043E, P043F, P0441, P0455, P0456, P2401 and P2420) will all be stored.