U0012 Code: Meaning, Causes, and Symptoms | OBD2 Codes

U0012 – Medium Speed CAN Communication Bus (+) Open

 

U0012 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

U0012 Description

 

Medium Speed CAN Communication Bus (+) Open is the generic description for the U0012 code, but the manufacturer may have a different description. Currently we have no further information abouth the U0012 OBDII code.