U0030 Code: Meaning, Causes, and Symptoms | OBD2 Codes
U0030 – Vehicle Communication Bus A (+) Open
U0030 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
Vehicle Communication Bus A (+) Open is the generic description for the U0030 code, but the manufacturer may have a different description. Currently we have no further information abouth the U0030 OBDII code.