Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- DTC IS ACTIVE NOTE:
If any DC/DC Converter DTCs are present in the Body Control Module, diagnose and repair those DTCs before continuing with this test procedure.
- Turn the ignition on.
- With the scan tool, erase DTCs.
- Cycle the ignition on and off several times, leaving the ignition on for at least 20 seconds during each ignition cycle.
- Turn the ignition on.
- Monitor the scan tool for at least two minutes.
- With the scan tool, view DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to STANDARD PROCEDURE .
- CHECK FOR ANY ADD ON COMPONENTS TO THE VEHICLE
- Inspect the vehicle for any aftermarket equipment (I.E. Radio's, Amps, etc.) that may be drawing excessive current from the DC/DC Converter.
Is there evidence of any aftermarket components on the vehicle?
Yes
- Remove the aftermarket components that are connected to the DC/DC Converter circuit and recheck to see if the DTC is active. If DTC is still active, replace the appropriate DC/DC Converter and perform the appropriate diagnostic procedure.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Replace the appropriate DC/DC Converter in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Inspect the vehicle for any aftermarket equipment (I.E. Radio's, Amps, etc.) that may be drawing excessive current from the DC/DC Converter.