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 FOR ACTIVE DTC
1. Cycle the ignition on.
2. With the scan tool, record and erase the RF-Hub Module DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. With the scan tool, read the active RF-Hub Module DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Go To 2
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals and correct pin tension.
PROGRAM THE RF HUB MODULE
1. With the scan tool, reprogram and proxi the RF-Hub Module in accordance with Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
2. With the scan tool, record and erase the RF-Hub Module DTCs.
3. Cycle the ignition switch from on to off, wait five seconds and then back to on.
4. With the scan tool, read the active RF-Hub Module DTCs.
  Does the scan tool display this DTC as active?
  
  Yes
  - Replace the RF-Hub Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete, the condition or conditions that originally set this DTC are not present at this time.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .