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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> (Audio (Radio) - Electrical Diagnostics) (RRM) >> DTC Troubleshooting >> B157A-1A Dab Antenna - Circuit Resistance Below Threshold >> Diagnostic Test

Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. Turn the ignition on.
    2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
    3. With the scan tool, read the RRM DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

  2. CHECK THE CIRCUIT FROM THE RADIO TO THE DAB ANTENNA FOR A SHORT 
    1. Check the circuit between the Radio and the DAB Antenna at the Radio connector for a short.

      Is the circuit shorted?

      Yes 

      • Repair the circuit for a short.

      No 

      • Carefully check the connectors at the Radio and DAB antenna for damage and repair as needed.