Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
NOTE:
If there are any other RF Hub DTCs, perform the diagnostic procedure for them before proceeding.
1. Turn the ignition on.
2. With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
3. Make sure that the door handle is in the home position (not pulled).
4. With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
5. With the scan tool, select "RFH", "Data" and scroll to "Last Message: Passenger Door Handle Hall Signal".
6. Observe the value field.
  Does the scan tool display: YES?
  
  Yes
  - Replace the Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  No
  - Go To 2
TEST FOR STUCK LOCK SWITCH
1. With the scan tool, select "RFH", "Data" and scroll to "Last Message: Passenger Door Handle Lock Signal".
2. Observe the value field.
  Does the scan tool display: YES?
  
  Yes
  - Replace the Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  No
  - Go To 3
DOOR HANDLE OPERATION
1. Open the Passenger Door window.
2. Turn the ignition off and close all doors.
3. Have the FOBIK outside the Passenger Door and within 10 cm. and 1.5 m. (4 in. and 5 ft.) of the Passenger door handle.
  NOTE:
  In the next step, wait two (2) seconds between each Lock and Unlock activation as there is a two second delay after each Lock action.
4. Lock and Unlock the Passenger Door by the outside handle four (4) times.
  Did the Door Handle Lock and Unlock the door as it should?
  
  Yes
  - 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. Record the findings on the work order.
  No
  - Go To 4
DOOR HANDLE OR RF HUB
1. Turn the ignition on.
2. Open the Driver window.
3. Turn the ignition off, remove the FOBIK and close all doors.
4. Have the FOBIK within 10 cm. and 1.5 m. (4 in. and 5 ft.) of the Driver door handle.
5. Using the FOBIK press the unlock button.
  NOTE:
  In the next step, wait two (2) seconds between each Lock and Unlock activation as there is a two second delay after each Lock action.
6. Lock and Unlock the Driver Door by the outside handle four times.
  Did the Driver Door Handle lock and unlock the door as it should?
  
  Yes
  - Replace the Passenger Exterior Door Handle in accordance with the Service Information. Refer to HANDLE, EXTERIOR, REMOVAL .
  - With the scan tool, select "Diagnostic Procedures", "Reset ECU" and "RFH" and perform the routine.
  No
  - Replace the RF HUB Module in accordance with the Service Information. Refer to MODULE, RADIO FREQUENCY (RF HUB), REMOVAL .
  - Perform the RADIO FREQUENCY HUB VERIFICATION TEST. Refer to STANDARD PROCEDURE .