Conditions for Setting the DTC

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Temperature has not changed more than 4 °C (39.2 °F).
Engine speed is greater than 500 RPM.
System voltage is greater than 9 V.
No CAN error DTCs U0073, U0100 and U0101.
No vehicle speed error DTCs P0720, P0721, or P0722.
Vehicle speed is greater than 20 km/h (12 mph) for 500 sec. cumulative.
Temperature at start up is between -40 °C (-40 °F) and 25 °C (77 °F).
Engine coolant temperature has changed by more than 50 °C (122 °F) since start up.