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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 99 (3.6L - DTCS P0463 To P0688) >> DTC Troubleshooting >> P0593-Speed Control Switch 2 Circuit High >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Journey and 2015 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC 

WARNING:

Turn the ignition off disconnect the 12-volt battery and wait two minutes before proceeding. Failure to follow these instructions may result in possible serious or fatal injury.

WARNING:

Do not place an intact non-deployed airbag face down on a hard surface, the airbag propels into the air if accidentally deployed. Failure to follow these instructions may result in possible serious or fatal injury.

  1. Turn the ignition on.
  2. With the scan tool, read DTCs

    Does the scan tool display this DTC as active?

    Yes 

    NOTE:

    Visually and physically inspect the wiring harness between the Speed Control Switch harness connector and the SCCM harness connector. Repair any damaged wires, connectors, and open/spread terminals. If harness is OK, proceed with test.

    No