P2502
Charging System Voltage
2019-2024 Mini Cooper SE Electric
High SeverityPowertrainGeneric (SAE)
Description
The system charging voltage is outside the expected regulation window.
Symptoms
- Battery light
- Check engine light
- Electrical accessories malfunction
- Battery drains overnight
Common Causes
- Failed alternator
- Loose drive belt
- Battery terminal corrosion
- ECM-controlled charging fault
Diagnostic Steps
- Check battery voltage engine off and running
- Inspect belt tension and condition
- Load test alternator
- Check battery terminals
Repair Notes
Replace alternator or battery. Clean terminals. Check belt.
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
P2502 on Other Vehicles
Common Questions
What does code P2502 mean on a 2019-2024 Mini Cooper SE?
P2502 stands for "Charging System Voltage". The system charging voltage is outside the expected regulation window.
What are the symptoms of P2502 on a Mini Cooper SE?
Common symptoms of P2502 include: Battery light, Check engine light, Electrical accessories malfunction, Battery drains overnight.
What causes P2502 on a 2019-2024 Mini Cooper SE?
Common causes of P2502 include: Failed alternator, Loose drive belt, Battery terminal corrosion, ECM-controlled charging fault.