P0500 No Vehicle Speed Sensor Signal

SYMPTOM
P-0500 NO VEHICLE SPEED SENSOR SIGNAL

WHEN MONITORED
For 3 Speed: With engine running, transmission not in park or neutral, brakes not applied, engine rpm greater than 1500. For 4 Speed: With the engine running, transmission not in park or neutral, brakes not applied, engine rpm greater than 1500.

SET CONDITION
For 3 Speed: No signal from the vehicle speed sensor for more than 11 seconds for 2 consecutive trips.For 4 Speed: No signal from the vehicle speed sensor (TCM) is present for more than 11 seconds for 2 consecutive trips.

POSSIBLE CAUSES
- Electronic auto transaxle trouble codes present
- 8-volt supply circuit open
- PCM def (no VSS signal ckt)
- PCM terminal defective
- Vehicle speed sensor ground circuit open
- Vehicle speed sensor ground ckt open
- Vehicle speed sensor signal circuit wiring harness observable defect
- Pinion gear defective
- Output speed sensor circuit open
- Output speed sensor circuit shorted to ground
- Vehicle speed sensor signal circuit open
- VSS signal circuit open
- VSS signal circuit short to ground
- Output speed sensor defective
- Output speed sensor defective (res > 5.0)
- PCM defective (no VSS signal ckt)
- PCM defective (no VSS signal ckt)
- TCM defective (VSS sig ckt)
- VSS defective