14 Volt Power Module Current Sensor A Circuit Low
The current sensor A of the 14V DC/DC converter module reports a circuit low fault. 12V system current measurement is unreliable.
Affected components
- Pm14v current sensor a
- Wiring harness
- Dcdc converter
Common causes
- High likelihood: Current sensor failed
- Medium likelihood: Wiring fault
- Low likelihood: Connector pins corroded - high contact resistance
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.