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 MOJAVE, PART TIME T/CASE CONTROL, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCE(DIGITAL TV MODULE - ELECTRICAL DIAGNOSTICS)DTC TROUBLESHOOTINGB149B-13 - TV ANTENNA 2-CIRCUIT OPENDIAGNOSTIC TEST

2023 Jeep Gladiator Mojave, Part Time T/Case Control, Automatic Trans

Diagnostic Test

2023 Jeep Gladiator Mojave, Part Time T/Case Control, Automatic TransSECTION Diagnostic Test

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
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
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
  - Repair the connection(s) as needed.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
DISCONNECT AND RECONNECT RELATED TV ANTENNA AT THE DTV MODULE - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. Turn the ignition off.
2. Disconnect and reconnect related TV Antenna connection at the DTV Module.
3. Start the engine and allow it to run for 30 seconds.
4. With the scan tool, read DTV DTCs.
  Is the DTC active?
  
  Yes
  - Go To 4
  No
  - Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
REPLACE RELATED TV ANTENNA AND THE COAX CABLE - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. Turn the ignition off.
2. Replace related TV Antenna and the coax cable.
3. Start the engine and allow to run for 30 seconds.
4. With the scan tool, read DTV DTCs.
  Did the DTC return?
  
  Yes
  - Replace the DTV Module.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replacing the related TV Antenna and the coax cable corrected the condition.
  - 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.