DC/DC Converter B Performance
The DC/DC converter B output performance is outside calibration. Output voltage tracking error or efficiency too low.
Affected components
- Dcdc converter b
Common causes
- High likelihood: Switching FETs aged
- Medium likelihood: Output capacitor ESR high
Diagnostic notes
- The malfunction indicator lamp may illuminate
- Reduced-power or limp mode may occur
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.