P0563
System Voltage High
2014-2021 BMW i3 Range Extender 🇨🇦
High SeverityPowertrain
Description
The system voltage is above the acceptable threshold.
Symptoms
- Check Engine Light
- Bulbs burning out frequently
- Battery swelling
- Electrical component damage
Common Causes
- Faulty voltage regulator
- Faulty alternator
- Bad battery sense wire
- PCM-controlled charging issue
Diagnostic Steps
- Test voltage at battery (should not exceed 15V)
- Test alternator regulator
- Check battery sense wire
- Test charging system
Repair Notes
Overcharging can damage battery and electronics. Replace alternator/regulator. Urgent repair.
Related Codes
Other Powertrain Codes
- P0070Ambient Air Temperature Sensor Circuit
- P0071Ambient Air Temperature Sensor Range/Performance
- P0072Ambient Air Temperature Sensor Circuit Low
- P0073Ambient Air Temperature Sensor Circuit High
- P0115Engine Coolant Temperature (ECT) Sensor 1 Circuit
- P0116ECT Sensor 1 Circuit Range/Performance
- P0117ECT Sensor 1 Circuit Low Input
- P0118ECT Sensor 1 Circuit High Input
- P0119ECT Sensor 1 Circuit Intermittent
- P0125Insufficient Coolant Temperature for Closed Loop Fuel Control
P0563 on Other Vehicles
Common Questions
What does code P0563 mean on a 2014-2021 BMW i3?
P0563 stands for "System Voltage High". The system voltage is above the acceptable threshold.
What are the symptoms of P0563 on a BMW i3?
Common symptoms of P0563 include: Check Engine Light, Bulbs burning out frequently, Battery swelling, Electrical component damage.
What causes P0563 on a 2014-2021 BMW i3?
Common causes of P0563 include: Faulty voltage regulator, Faulty alternator, Bad battery sense wire, PCM-controlled charging issue.