Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THE REMOTE START ANTENNA CONNECTION
1. Gain access to the RF Hub connectors (under the rear shelf cover).
2. Disconnect and reconnect the Remote Start Antenna at the RF Hub module.
  NOTE:
  Confirm the connector is fully seated in the RF Hub module.
3. Using the scan tool, record and erase the DTCs.
4. Turn the ignition to the Lock position.
5. Start the engine and allow to run for 30 seconds.
6. Using the scan tool, read the active DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - Test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE REMOTE START ANTENNA
1. Disconnect the Remote Start Antenna.
2. Replace the antenna with a known good antenna.
3. Turn the ignition to the Lock position.
4. Start the engine and allow to run for 30 seconds.
5. Using the scan tool, read the active DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Radio Frequency Hub in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .
  No
  - Replace the Remote Start Antenna in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .