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)
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.