Diagnostic Test

WARNING: This page is about a different car, the 2016 RAM 3500 HD and 2016 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTCs
1. Turn the ignition on.
2. Turn the Radio off.
3. Make sure one of the front doors is still open.
4. Using the scan tool, erase the DTCs.
5. Turn the Radio on.
6. Using the scan tool, read the active Radio DTCs.
  Is B1562-12-GPS ANTENNA - CIRCUIT TO BATTERY active?
  
  Yes
  - Go To 2
  No
  - Test Complete. The condition(s) that originally set this DTC are no longer present. Inspect the antenna cable connections between the Radio to the GPS antenna.
SATELLITE RADIO OPERATION
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
TEST THE SATELLITE ANTENNA CABLE
1. Disconnect the Satellite/GPS Antenna cable at the Satellite Antenna.
2. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-1, Adapter) or (special tool #9977-6-3, Adapter) to the Satellite Antenna cable at the back of the Radio.
3. Connect the appropriate Radio Diagnostic Tool (special tool #9977-6-4, Jumper) or (special tool #9977-6-2, Jumper) to the Satellite Antenna cable at the Satellite Antenna base.
4. Measure the Resistance across the terminals on the tool.
  Is the resistance below 47.5 Ohms?
  
  Yes
  - Use the (special tool #9977-6, Kit, Radio Antenna Diagnostic) to locate the short, repair or replace the Satellite Antenna cable as necessary.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Radio in accordance with the Service Information. Refer to RADIO, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .