P0720

Test 1 Through 2:

Test 3 Through 7:

Test 8 Through 11:

SYMPTOM:
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
OUTPUT SPEED SENSOR ERROR
INTERMITTENT WIRING & 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
TCM (OUTPUT SPEED SENSOR)