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:
Verify the correct FOBIK is being used; and programmed to this fleet vehicle before proceeding.
NOTE:Verify that the 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 battery is not fully charged, correct this condition before proceeding.
- Turn the ignition on.
- With the scan tool, erase and record the RF Hub DTCs.
- Turn the ignition off and wait one minute.
- Turn the ignition on.
- With the scan tool, read the RF Hub DTCs.
Is the DTC 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.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- CAN BUS DTCS SET IN BODY CONTROL MODULE (BCM) NOTE:
Verify that the BCM has the correct vehicle configuration before proceeding with this test step. (This will require verifying the original factory sales codes are present for the police option.)
- With the scan tool, read the DTCs in the BCM.
Are there any active CAN Bus DTCs present?
Yes
- Refer to BODY CONTROL MODULE (BCM) - DIAGNOSTIC CODE INDEX - 2500 HD & 3500 HD article and perform the appropriate diagnostic procedure.
No
- Replace the Radio Frequency Hub 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 .
- With the scan tool, read the DTCs in the BCM.