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 MANUALSJEEP2023GLADIATOR FREEDOM, PART TIME T/CASE CONTROLREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADAS(DIGITAL TV MODULE - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB1499-11 - TV ANTENNA 1-CIRCUIT SHORT TO GROUNDDIAGNOSTIC TEST
2023 Jeep Gladiator Freedom, Part Time T/Case Control
Diagnostic Test
2023 Jeep Gladiator Freedom, Part Time T/Case ControlSECTION Diagnostic Test
- READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
- 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 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 DTCs.
Did the DTC return?
Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK THE RELATED TV ANTENNA CONNECTION AT THE DTV MODULE
- Turn the ignition off.
- 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
- Repair the connection(s) as needed.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- DISCONNECT THE TV ANTENNA CONNECTOR AT THE DTV MODULE - ERASE DTCS AND CHECK FOR DTC TO RETURN
- Turn the ignition off.
- 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.
- With the scan tool, erase all 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 DTCs.
Did the short to ground DTC return?
Yes
- Replace the DTV module.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the related TV Antenna and the coax cable.
- 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.