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 THE VEHICLE VIN
- CHECK FOR ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
- With the scan tool, create a Vehicle Scan Report and attach it to the repair order.
- With the scan tool, select: RF Hub, "System Tests".
- Perform the "RF Hub LF Antennas Verification Test".
- With the scan tool, read the RF Hub DTCs.
Is the DTC active?
Yes
- 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 .
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.
- RESET ECU
- With the scan tool, select "Misc Functions"
- With the scan tool, perform the "Reset ECU" routine.
- Turn the ignition off.
- Try to start the engine three times.
Did the engine start?
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.
No
- Replace the Radio Frequency 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 .