Diagnostic Test

WARNING: This page is about a different car, the 2020 Chrysler 300 and 2019 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, read Radio Frequency Hub (RF HUB) DTCs and record on the repair order.
2. With the scan tool, erase DTCs.
3. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
4. With the scan tool, read RF HUB DTCs.
  Did the DTC return?
  
  Yes
  - Go to 2
  No
  - The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM 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 BODY VERIFICATION TEST .
CHECK THE PASSIVE ENTRY ANTENNA FOR A SHORT
1. Turn the ignition off.
2. Disconnect the Passive Entry Antenna 5 harness connector.
3. Turn the ignition on.
4. With the scan tool, erase RF HUB DTCs.
5. With the scan tool, read RF Hub DTCs.
  Is the DTC active?
  
  Yes
  - Go to 3
  No
  - Replace the Passive Entry Antenna 5 in accordance with the service information. Refer to ANTENNA, PASSIVE ENTRY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (D928) PASSIVE ENTRY ANTENNA 5 SIGNAL CIRCUIT FOR A SHORT TO GROUND
1. Turn the ignition off.
2. Disconnect the RF Hub Module C2 harness connector.
3. Check for continuity between ground and the (D928) Passive Entry Antenna 5 Signal circuit at the RF Hub Module C2 harness connector.
  Is there continuity between ground and the (D928) Passive Entry Antenna 5 Signal circuit?
  
  Yes
  - Repair the (D928) Passive Entry Antenna 5 Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go to 4
CHECK THE (D929) PASSIVE ENTRY ANTENNA 5 RETURN CIRCUIT FOR A SHORT TO GROUND
1. Check for continuity between ground and the (D929) Passive Entry Antenna 5 Return circuit at the RF Hub Module C2 harness connector.
  Is there continuity between ground and the (D929) Passive Entry Antenna 5 Return circuit?
  
  Yes
  - Repair the (D929) Passive Entry Antenna 5 Return circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Passive Entry Antenna 5 in accordance with the service information. Refer to ANTENNA, PASSIVE ENTRY, REMOVAL .
  - If replacing the Passive Entry Antenna 5 for this DTC did not repair the concern, replace the RF Hub 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 RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .