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Diagnostic Test

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK THE ANTENNA CONNECTION 
    1. Turn the ignition off.
    2. Disconnect the Radio C6 harness connector.
    3. Inspect the Satellite Audio Antenna harness connection.

      Is the Antenna connection clean and secure?

      Yes 

      • Go To  2

      No 

      • Repair the Satellite Audio Antenna connection as needed.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  2. RADIO 
    1. Connect the (special tool #9977-6-SAT, Antenna) (1) to the Radio C6 component connector.
    2. Place the test antenna base on the roof of the vehicle.
    3. Turn the ignition on.
    4. Drive the vehicle outside to an un-obstructed area.
    5. Turn the Satellite Radio on and select several different known good stations.

      Is the reception still poor or not available?

      Yes 

      • Replace the Radio in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. ANTENNA 
    1. Turn the ignition off.
    2. Reconnect the Radio C6 harness connector.
    3. Disconnect the Satellite Audio Antenna harness connector.
    4. Connect the (special tool #9977-6-SAT, Antenna) (1) to the Satellite Audio Antenna harness connector (2).
    5. Turn the Satellite Radio on and select several different known good stations.

      Is the reception still poor or not available?

      Yes 

      • Go To  4

      No 

      • Replace the Satellite Audio Antenna in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  4. ANTENNA CABLE 
    GC0143945Courtesy of CHRYSLER GROUP, LLC
    1. Turn the ignition off.
    2. Disconnect the (special tool #9977-6-SAT, Antenna) from the Satellite Audio Antenna harness connector.
    3. Connect the appropriate (special tool #9977-6-4, Jumper) (1) or (special tool #9977-6-2, Jumper) (1) to the Satellite Audio Antenna harness connector (2) at the Antenna.
      GC0143944Courtesy of CHRYSLER GROUP, LLC
    4. Connect the appropriate (special tool #9977-6-1, Adapter) (1) or (special tool #9977-6-3, Adapter) (1) to the Radio C6 harness connector (2).
    5. Measure the resistance across the tool terminals.

      Is the resistance between 47.5 and 52.5 Ohms?

      Yes 

      • The source of the poor reception is not caused by the Radio, Satellite Antenna Cable or Satellite Antenna.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

      No 

      • Replace the Satellite Audio Antenna Cable in accordance with the Service Information.
      • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
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