14 Volt Power Module System Performance
The 14V DC/DC converter module reports a "system performance" condition. 12V vehicle electrical supply may be impaired.
Affected components
- Pm14v module
- Dcdc converter
Common causes
- High likelihood: Module characteristic drifted
- Medium likelihood: Thermal drift outside calibration
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.