Code Enable Criteria

Following conditions must be met for DTC diagnostic test to run:

• No DTCs related to Throttle Position (TP) sensor, Vehicle Speed Sensor (VSS), MAP sensor, EGR pintle position sensor, Engine Coolant Temperature (ECT) sensor, Misfire DTCs or automatic transmission DTCs are set.
• Engine coolant temperature is 140°F (60°C) or more.
• Ignition voltage between 11.5 and 16.0 volts.
• Vehicle speed is 15 MPH or more.
• A/C clutch status is unchanged.
• Torque Converter Clutch (TCC) status is unchanged.