B0445
USB Hub Fault
The infotainment system has detected a fault in the internal USB hub. USB ports may not detect connected devices reliably.
- Check engine light: Not always
- Emissions related: No
- Repair difficulty: medium
Symptoms
- Warning light or symbol related to the affected system
- Comfort or safety function impaired
Common causes
Ordered by how often each turns out to be the cause.
- USB hub internal faultCommon
- USB port physically damagedPossible
Parts involved
- Usb Hub
- Infotainment Module
B0445 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.