The infotainment system has detected a fault in the internal USB hub. USB ports may not detect connected devices reliably.
Low severity. Can I keep driving?You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Most likely causes
- USB hub internal fault
- USB port physically damaged
What to check, in order
Start with the simplest. You can tick off each step.
Good to know
- Repair difficulty: medium
What each character of B0445 means
- B: Body
- 0: Generic code: same on every make
- 4: Subsystem depends on the code range
- 45: Specific fault in that system
Frequently asked questions
Can I keep driving with code B0445?
You can normally keep driving. If it affects the lights or visibility, get it repaired before driving at night or in the rain.
What causes code B0445?
The most common causes are: uSB hub internal fault; uSB port physically damaged.
Sources
Values and procedures vary by manufacturer. If it affects brakes, steering, fuel or high voltage, see a professional. Updated: 2026-11-04. How we build these pages.