OBD-II code · manufacturer-specific
B228B
System Voltage or GND Energization Malfunction
- System
- B — Body electronics
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does B228B mean?
B228B is defined as “System Voltage or GND Energization Malfunction”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Toyota: System Voltage or GND Energization Malfunction
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.