Conditions for Running the DTC

No VSS assembly DTCs P0502 or P0503.
The system voltage is 10-18 volts.
The engine speed is greater than 450 RPM for 5 seconds.
The engine is not in fuel cutoff.
The engine torque is 54-542 N.m (40-400 lb ft).
The engine vacuum is 0-105 kPa (0-15 psi).