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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1298 (2.4L - DTCS P1456 To P2244) >> DTC Troubleshooting >> P1593-Speed Control Switch 1/2 Stuck >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    NOTE:

    This fault indicates that the Speed Control Switch is stuck in a pressed state for two minutes.

    1. Cycle the ignition off, and back on.
    2. With the scan tool, read DTCs.

      Is the DTC still active after cycling the ignition off and on?

      Yes 

      No 

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  2. CHECK THE SPEED CONTROL SWITCH OPERATION 
    1. With the scan tool, erase DTCs.
    2. Press and release the ON/OFF button. Monitor the scan tool for a minimum of two minutes for the DTC to return before continuing.
    3. Press and release the CANCEL button. Monitor the scan tool for a minimum of two minutes for the DTC to return before continuing.
    4. Press and release the SET - button. Monitor the scan tool for a minimum of two minutes for the DTC to return before continuing.
    5. Press and release the SET + button. Monitor the scan tool for a minimum of two minutes for the DTC to return before continuing.
    6. Press and release the RESUME button. Monitor the scan tool for a minimum of two minutes for the DTC to return before continuing.

      Did the DTC return after any of the button presses?

      Yes 

      No