P0720

Symptom: P0720-OUTPUT SPEED SENSOR ERROR

When Monitored and Set Condition:

When Monitored: The transmission gear ratio is monitored continuously while the transmission is in gear.

Set Condition: If there is an excessive change in the Output RPM in any gear.

POSSIBLE CAUSES
- 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
- POWERTRAIN CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS

Test 1:

Test 2 - Test 5:

Test 6 - Test 8:

Test 9 - Test 11: