What does code U0002 mean?

High Speed CAN Communication Bus Performance: The high-speed CAN bus is experiencing poor performance — intermittent communication.

U0002 is rated as high severity. Address soon — may cause further damage.

U0002

High Speed CAN Communication Bus Performance

Network Code · High

What does U0002 mean?

The high-speed CAN bus is experiencing poor performance — intermittent communication.

System: CAN Bus

U0002 is a network diagnostic trouble code indicating high speed can communication bus performance. This code is classified as high severity, which means: address soon — may cause further damage.

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.