2. Check To See If Input Sensor OVERSPEED Is Current

Turn the ignition on.

With the DRB III®, erase Transmission DTCs.

Raise the vehicle on the hoist.

Start the engine.

NOTE: This DTC indicates a catastrophic transmission failure.

With the DRB III® in Sensors, monitor the N2 and N3 Speed Sensors.

Firmly apply the brakes and place the gear selector in Drive.

Release the brakes and raise the engine RPM to allow the transmission to upshift to the 2-3 and 3-4 shift schedule.

WARNING: BE SURE TO KEEP HANDS AND FEET CLEAR OF ROTATING WHEELS.

Did either the N2 or N3 Speed Sensors display an RPM above 7700 ?