FixVault
Home
›
Jeep
›
2007
›
Commander Overland, RWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
DTCS P0503 To P0580
›
P0503-Vehicle Speed Sensor 1 Erratic
›
Monitor Conditions
Monitor Conditions
When Monitored:
Ignition on and battery voltage greater than 10 volts. Transmission in Drive or Reverse.