Diagnostic Test

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
NOTE:
Verify that the vehicle's battery is fully charged with a DVOM and use the scan tool to compare the Battery Voltage listed under "Data" in the RFH View to that of the BCM. If the vehicle's battery is not fully charged, correct this condition before proceeding.
1. Turn the ignition on.
2. With the scan tool, read RF Hub DTCs and record on the repair order.
3. With the scan tool, select: RF Hub, More Options and System Tests.
4. Perform the RF Hub LF Antenna Verification Tests.
5. 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 BODY VERIFICATION TEST .
CHECK THE PASSIVE ENTRY ANTENNA FOR A SHORT
1. Turn the ignition off.
2. Disconnect the Passive Entry Antenna 2 harness connector.
3. Turn the ignition on.
4. With the scan tool, read RF Hub DTCs.
5. With the scan tool, select: RF Hub, More Options and System Tests.
6. Perform the RF Hub LF Antenna Verification Tests.
7. With the scan tool, read RF Hub DTCs.
  Is the DTC active?
  
  Yes
  - Go To 3
  No
  - Replace the Passive Entry Antenna 2 in accordance with the service information. Refer to ANTENNA, PASSIVE ENTRY, REMOVAL .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
CHECK THE (D922) PASSIVE ENTRY ANTENNA 2 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 (D922) Passive Entry Antenna 2 Signal circuit at the RF Hub Module C2 harness connector.
  Is there continuity between ground and the (D922) Passive Entry Antenna 2 Signal circuit?
  
  Yes
  - Repair the (D922) Passive Entry Antenna 2 Signal circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 4
CHECK THE (D923) PASSIVE ENTRY ANTENNA 2 RETURN CIRCUIT FOR A SHORT TO GROUND
1. Check for continuity between ground and the (D923) Passive Entry Antenna 2 Return circuit at the RF Hub Module C2 harness connector.
  Is there continuity between ground and the (D923) Passive Entry Antenna 2 Return circuit?
  
  Yes
  - Repair the (D923) Passive Entry Antenna 2 Return circuit for a short to ground.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Passive Entry Antenna 2 in accordance with Service Information. Perform the RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST. Refer to RADIO FREQUENCY HUB (RF HUB) VERIFICATION TEST .
  - If replacing the Passive Entry Antenna 2 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 .