Battery Charging System Positive Contactor A Control Circuit Range/Performance
The positive contactor A of the battery charging system reports a control circuit range/performance condition. HV charging path cannot be commanded reliably.
Affected components
- Bcs pos contactor a
- Wiring harness
- Bms
Common causes
- High likelihood: Coil resistance drifted
- Medium likelihood: High-resistance contact
- Low likelihood: Sensor element aged beyond calibration window
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.