P0720

Symptoms:
P0720-OUTPUT SPEED SENSOR ERROR

When Monitored and Set Condition: P0720-OUTPUT SPEED SENSOR ERROR
When monitored: The transmission gear ratio is monitored continuously while the transmission is in gear.
Set condition: If there is an excessive change in output RPM in any gear.

POSSIBLE CAUSES:
INTERMITTENT WIRING AND CONNECTORS
OUTPUT SPEED SENSOR SIGNAL CIRCUIT OPEN
SPEED SENSOR GROUND CIRCUIT OPEN
OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND
OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
OUTPUT SPEED SENSOR ERROR
TCM - OUTPUT SPEED SENSOR