Code Enable Criteria

For DTC to run, the following conditions must be met:

• DTCs P0107, P0108, P0112, P0113, P0117, P0118, P0125, P0440, P0443, P0449, P0452, P0453, P1106, P1107, P1111, P1112, P1114, P1115, P1121, and P1122 are not set.
• System voltage is 10-18 volts.
• Start-up Engine Coolant Temperature (ECT) is 39-86°F (4-30°C).
• Start-up 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.
• Fuel tank level is 20-85 percent.
• Barometric Pressure (BARO) is more than 75 kPa.
• Vehicle speed is less than 75 MPH.

DTC will set when EVAP system can achieve vacuum but a vacuum decay is detected during diagnostic test.