Battery Charger B Input Voltage Sensor Circuit High
The input voltage sensor of battery charger B reports a high fault. Mains input voltage measurement is unreliable.
Affected components
- Battery charger b input voltage sensor
- Wiring harness
- Bms
Common causes
- High likelihood: Signal wire shorted to B+
- Medium likelihood: Open sensor
- Low likelihood: Connector pins corroded - high contact resistance
Possible symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
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.