Diagnostic Test

2023 Jeep Gladiator Freedom, Part Time T/Case ControlSECTION Diagnostic Test
  1. READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN 
    1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
    2. With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
    3. With the scan tool, erase all DTCs.
    4. Turn the ignition off for a minimum of 10.0 seconds.
    5. Turn the ignition on.
    6. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
    7. With the scan tool, read DTCs.

    Did the DTC return?

    Yes 

    • Go To  2

    No 

  2. CHECK THE RELATED TV ANTENNA CONNECTION AT THE DTV MODULE 
    1. Turn the ignition off.
    2. Verify that the related TV Antenna cable and connections are secure and undamaged.

      Are the connection(s) secure and undamaged?

      Yes 

      • Go To  3

      No 

  3. DISCONNECT THE TV ANTENNA CONNECTOR AT THE DTV MODULE - ERASE DTCS AND CHECK FOR DTC TO RETURN 
    1. Turn the ignition off.
    2. Disconnect the related TV Antenna connector at the DTV Module.
      NOTE:

      The short to ground DTC should not set. An open circuit DTC should set in the DTV with the antenna disconnected.

    3. With the scan tool, erase all DTCs.
    4. Turn the ignition off for a minimum of 10.0 seconds.
    5. Turn the ignition on.
    6. Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
    7. With the scan tool, read DTCs.

      Did the short to ground DTC return?

      Yes 

      No 

      • Replace the related TV Antenna and the coax cable.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.