P0720

P0720 - OUTPUT SHAFT SPEED SENSOR ERROR

When Monitored and Set Condition:
P0720 - OUTPUT SHAFT SPEED SENSOR ERROR

When Monitored: Continuously with the vehicle speed over 6 MPH (over the COD bus) and the transmission is in a forward gear (1st, 2nd, 3rd or OD).

Set Condition: No signal from the Output Speed Sensor for 100 seconds.

POSSIBLE CAUSES:
INTERMITTENT WIRING AND/OR CONNECTORS
OUTPUT SPEED SENSOR GROUND CIRCUIT OPEN
OUTPUT SPEED SENSOR SIGNAL CIRCUIT OPEN
OSS SIGNAL CIRCUIT SHORTED TO OSS GROUND CIRCUIT
OUTPUT SPEED SENSOR GROUND CIRCUIT SHORT TO GND
OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND
OUTPUT SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
OUTPUT SPEED SENSOR (OUT OF RANGE)
TCM - OUTPUT SPEED SENSOR