Diagnostic Test

2023 Jeep Renegade TrailhawkSECTION Diagnostic Test
  1. CHECK FOR AN ACTIVE DTC 
    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 TBM2 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 TBM2 DTCs.

      Did the DTC return?

      Yes 

      • Go To  2

      No 

  2. TEST THE GPS ANTENNA CABLE 
    1. Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
    2. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter) to the GPS Antenna cable at the back of the TBM2.
    3. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper) to the GPS Antenna cable at the GPS Antenna base.
    4. Measure the Resistance across the terminals on the tool.

      Is the resistance below 47.5 Ohms?

      Yes 

      • Use the (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate the short, repair or replace the GPS Antenna cable as necessary.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. TELEMATICS BOX MODULE (TBM2) 
    1. Visually inspect the terminals on the TBM2.
    2. Ensure the terminal is clean and free of any corrosion or damage.
      • Is the terminal free of corrosion and damage?

      Yes 

      No 

RENDER: 1.0x

NO RELATED

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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.