Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2023RENEGADE TRAILHAWKREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOMMUNICATION DEVICES(GLOBAL TELEMATICS BOX MODULE - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB1562-14-GPS ANTENNA-CIRCUIT SHORT TO GROUND OR OPENDIAGNOSTIC TEST
2023 Jeep Renegade Trailhawk
Diagnostic Test
2023 Jeep Renegade TrailhawkSECTION Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
- With the scan tool, run a vehicle Scan Report, or record the Environmental Data related to the DTCs.
- With the scan tool, erase all TBM2 DTCs.
- Turn the ignition off for a minimum of 10.0 seconds.
- Turn the ignition on.
- Using the recorded Environmental Data and the When Monitored Conditions above, operate the vehicle in the conditions that set the DTC.
- With the scan tool, read TBM2 DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- TEST THE GPS ANTENNA CABLE
- Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
- 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.
- 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.
- 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
- TELEMATICS BOX MODULE (TBM2)
- Visually inspect the terminals on the TBM2.
- Ensure the terminal is clean and free of any corrosion or damage.
- Is the terminal free of corrosion and damage?
Yes
- Replace the TBM2 in accordance with the service information.
Refer to GLOBAL TELEMATICS BOX MODULE .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Repair the terminal as necessary.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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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.