DC/DC Converter Status Circuit
The hybrid control module detects an electrical fault on the DC/DC converter status feedback line. This converter steps high-voltage battery output down to 12 V for the auxiliary system.
Affected components
- Dc dc converter
- High voltage battery
- Wiring harness
Common causes
- High likelihood: DC/DC converter internal fault
- Medium likelihood: Communication loss with converter
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.