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Home >> Jeep >> 2008 >> Commander Base, 4.7 N, AWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0339 To P0507 >> 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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