Code Enable Criteria
- Ignition voltage is 10-18 volts.
- Barometric (BARO) pressure is more than 75 kPa.
- Fuel level is 15-85 percent.
- Engine Coolant Temperature (ECT) is 39-86°F (4-30°C).
- Intake Air Temperature (IAT) is 39-86°F (4-30°C).
- Start-up ECT and IAT are within 16°F (9°C) of each other.
- DTCs P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0440, P0443, P0449, P0452, P0453, P1106, P1107, P1112, P1114, P1115, P1121, or P1122 are not set.
DTC sets when EVAP system can achieve vacuum, but a vacuum decay is detected during diagnostic test.