LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Dodge and Ram >> 2021 >> Durango SXT Plus, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 ((Radio Frequency (RF Hub) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> B1A76-13-Remote Start Antenna Circuit - Circuit Open >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Test

WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR AN ACTIVE DTC 
    1. Gain access to the RF Hub connectors. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
    2. Disconnect and reconnect the Remote Start Antenna at the RF Hub Module. Refer to ANTENNA, REMOTE START, REMOVAL .
    3. With the scan tool, read RF Hub DTCs and record on the repair order.
    4. Turn the ignition to the Lock position.
    5. Start the engine and allow to run for 30 seconds.
    6. With the scan tool, read RF Hub DTCs.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. CHECK THE REMOTE START ANTENNA CONNECTION 
    1. Disconnect the Remote Start Antenna.
    2. Replace the antenna with a known good antenna. Refer to ANTENNA, REMOTE START, REMOVAL .
    3. Turn the ignition to the Lock position.
    4. Start the engine and allow to run for 30 seconds.
    5. With the scan tool, read RF Hub DTCs.

      Did the DTC return?

      Yes 

      No