Diagnostic Test

WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
2. Turn the ignition off and wait one minute.
3. Turn the ignition on.
4. With the scan tool, read RF Hub DTCs.
  Is the DTC active?
  
  Yes
  - Go To 2
  No
  - 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 and repair as necessary. If no problems are found, test complete.
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
CHECK THE IGNITION SWITCH STATUS
1. Turn the ignition on.
2. With the scan tool select; RF Hub, Data.
3. Read and record the Ignition Switch Status, Bussed Input.
4. With the scan tool select; BCM, Data.
5. Read and record the Ignition Switch Status, Bussed Input.
6. Compare the messages from both modules with the actual Ignition Switch position.
  Which Module is displaying the wrong Ignition Switch status?
  
  Body Control Module
  - Replace the Body Control Module in accordance with the Service Information. Refer to MODULE, BODY CONTROL, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
  Radio Frequency Hub
  - Replace the RF Hub Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST. Refer to STANDARD PROCEDURE .