What does code U0006 mean?

High Speed CAN Communication Bus (-) Open: The CAN bus low wire is open.

U0006 is rated as critical severity. Stop driving — risk of damage or safety hazard.

U0006

High Speed CAN Communication Bus (-) Open

Network Code · Critical

What does U0006 mean?

The CAN bus low wire is open.

System: CAN Bus

U0006 is a network diagnostic trouble code indicating high speed can communication bus (-) open. This code is classified as critical severity, which means: stop driving — risk of damage or safety hazard.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.