P0720

Test 1:

Test 2-5:

Test 6-9:

Test 10-12:

SYMPTOM
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. This DTC can take up to five minutes of problem identification before illuminating the MIL.

POSSIBLE CAUSES
- OUTPUT SPEED SENSOR SIGNAL CIRCUIT OPEN
- SPEED SENSOR GROUND CIRCUIT OPEN
- OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO GROUND
- SPEED SENSOR GROUND CIRCUIT SHORT TO GROUND
- OUTPUT SPEED SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
- SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
- OUTPUT SPEED SENSOR
- TRANSMISSION CONTROL MODULE
- INTERMITTENT WIRING AND CONNECTORS