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Home >> Jeep >> 2003 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> P1597: Speed Control Switch Always Low >> Monitored & Set Condition

Monitored & Set Condition

The speed control switch is monitored with the ignition key on and battery voltage above 10.4 volts. The condition is set when switch voltage is less than 0.39 of a volt for 2 minutes.