Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC

NOTE:

The DC to DC Converter Control Module is also known as the Voltage Stability Module (VSM).

Turn the ignition on.
With the scan tool, read DTCs.
Does the scan tool display this DTC as active?

Yes
- Replace the Voltage Stability Module (VSM) in accordance with the Service Information.
- Perform the BODY VERIFICATION TEST. Refer to STANDARD PROCEDURE .
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 .