Diagnostic Test
WARNING: This page is about a different car, the 2025 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK THE ANTENNA CONNECTION
- Turn the ignition off.
- Disconnect the Satellite Radio Antenna connections.
- Inspect the Satellite Radio Antenna connections.
Are the Antenna connections clean and secure?
Yes
- Go To 2
No
- Repair the Antenna connection as needed.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- CHECK THE ANTENNA AND CABLE
- Connect the Radio Diagnostic Tool to the Satellite Antenna connection on the back of the Radio.
(special tool #9977-6-SAT, Antenna)
- Make sure one of the front doors is still open.
- Using the scan tool, erase DTCs.
- Turn the ignition on.
- Turn the Radio on.
- Using the scan tool, read Radio DTCs.NOTE:
While using the 9977-6-SAT test antenna the GPS reception will not be available and GPS faults may occur. The 9977-6-SAT test tool will only enable satellite radio reception to work. For GPS reception concerns use test antenna 9977-6-GPS-GLO.
Is the DTC active?
Yes
- Replace the Radio in accordance with the Service Information. Refer to RADIO, REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Go To 3
- Connect the Radio Diagnostic Tool to the Satellite Antenna connection on the back of the Radio.
- TEST THE SATELLITE ANTENNA CABLE
- Disconnect the Satellite Antenna cable at the Satellite Antenna.
- Connect the appropriate Radio Diagnostic Tool to the Satellite Antenna cable at the back of the Radio.
(special tool #9977-6-1, Adapter)
(special tool #9977-6-3, Adapter)
- Connect the appropriate Radio Diagnostic Tool to the Satellite Antenna cable at the Satellite Antenna.
(special tool #9977-6-4, Jumper)
(special tool #9977-6-2, Jumper)
- Measure the Resistance across the terminals on the tool.
Is the resistance below 47.5 Ohms?
Yes
- Use the Radio Diagnostic Tool (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate and repair or replace the Satellite Antenna cable as necessary.
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
No
- Replace the Satellite Antenna in accordance with the Service Information. Refer to ANTENNA, SATELLITE, AUDIO, REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
- Use the Radio Diagnostic Tool (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate and repair or replace the Satellite Antenna cable as necessary.