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Home › Jeep › 2007 › Commander Base, 3.7 K, AWD › Repair and Diagnosis › Engine Performance › System › DTCS P0503 To P0580 › P0503-Vehicle Speed Sensor 1 Erratic › Monitor Conditions

Monitor Conditions

  1. When Monitored: 

    Ignition on and battery voltage greater than 10 volts. Transmission in Drive or Reverse.

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