P0720 Low Output Speed Sensor RPM Above 15 Mph

SYMPTOM
P-0720 LOW OUTPUT SPEED SENSOR RPM, ABOVE 15 MPH

WHEN MONITORED
Continuously with the key on, engine running, and gear selector not in park or neutral.

SET CONDITION
This code is set if the vehicle speed (as determined from the vehicle speed sensor), is above 15 MPH, and the output shaft speed is below 60 RPM for 2.6 seconds.

POSSIBLE CAUSES
- DTC code returns
- Output speed sensor defective
- Park/neutral switch code present
- Output speed sensor ground circuit open
- Output speed sensor ground circuit short to ground
- Output speed sensor signal circuit open
- Output speed sensor signal circuit short to ground
- PCM defective (DRB shows > 60 rpm)
- Output speed sensor harness observable defect
- Output speed sensor wiring harness intermittent defect