Conditions for Running the DTC

The following conditions must first be met:

• DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0121, P0122, P0123, P0125, P0128, P0201, P0202, P0203, P0204, P0205, P0206, P0442, P0443, P0446, P0449, P0455, P0496 are not set.
• DTC P2A01, P0401 (where applicable), and P0420 are not commanding fuel.
• The system voltage is between 9-18 volts.
• The scan tool special functions are not active.
• The following conditions must also be met:
  • The TP sensor parameter is between 3-40 percent.
  • The Air Fuel Ratio parameter must be between 12:1 and 16.5:1.