Diagnostic Test

1. Turn the ignition on.
2. Turn the Radio off.
3. Make sure one of the front doors is still open.
4. With the scan tool, erase the DTCs.
5. Turn the Radio on.
6. With the scan tool, read Radio DTCs.

   Is the DTC active?

   Yes 

   • Go To  2

   No 

   • Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .

Does the satellite radio function properly?

Yes 

• The satellite radio and GPS share the same antenna cable. If the Satellite radio is functioning properly, replace the GPS Antenna puck in accordance with the service information.
• Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

No 

• Go To  3

1. Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
2. Connect the appropriate Radio Diagnostic Tool to the Satellite Antenna cable at the back of the Radio.

   (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter)

3. Connect the appropriate Radio Diagnostic Tool jumper to the Satellite Antenna cable at the Satellite Antenna base.

   (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper)

4. Measure the Resistance across the terminals on the tool.

   Is the resistance below 47.5 Ohms?

   Yes 

   • Use the diagnostic kit to locate the short, repair or replace the Satellite Antenna cable as necessary.

     (special tool #9977-6, Kit, Radio Antenna Diagnostic)

   • Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .

   No 

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