garajizOBD-II code · generic
U3003
Battery Voltage
- System
- U — In-vehicle network
- Severity
- Minor (2/5)
- Can I keep driving?
- Drive with caution
What does U3003 mean?
U3003 is defined as “Battery Voltage”.
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.
- Tesla: Body Control Module Network Fault
Look up another code
This page is general information; an exact diagnosis needs measurements and a technician’s check.