Pinpoint Test W : The Direct Current/Direct Current (Dc/Dc) Converter Control Module Does Not Respond To The Scan Tool: Notes
WARNING: This page is about a different car, the 2015 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Refer to CHARGING SYSTEM for schematic and connector information.
Refer to MODULE COMMUNICATIONS NETWORK for schematic and connector information.
Normal Operation and Fault Conditions
The Direct Current/Direct Current (DC/DC) Converter Control Module communicates with the scan tool through the Electric Vehicle (EV) High Speed Controller Area Network (HS-CAN).
Possible Sources
- Fuse
- Wiring, terminals and connectors
- Direct Current/Direct Current (DC/DC) Converter Control Module
Visual Inspection and Diagnostic Pre-checks
- Verify High Current BJB MEGA fuse 2 (150A) is OK.
- Diagnose all Diagnostic Trouble Codes (DTCs) set in the BECM, PCM and SOBDMC first. Diagnostic Trouble Codes (DTCs) set in these modules can cause the vehicle to disable the DC/DC wakeup circuit, keeping the DC/DC converter control module disabled.