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Home >> Jeep >> 2012 >> Wrangler Sahara, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> 3.6L - DTCS P0645 To P2138 >> Diagnosis And Testing >> P1593-Speed Control Switch 1/2 Stuck >> Set Condition:

Set Condition:

Fault signifies when the switch voltage does not register a valid cruise position.