U0033 Code: Meaning, Causes, and Symptoms | OBD2 Codes

U0033 – Vehicle Communication Bus A (-) Open

 

U0033 Possible Symptoms

 

Engine Light ON (or Service Engine Soon Warning Light)

 

U0033 Description

 

Vehicle Communication Bus A (-) Open is the generic description for the U0033 code, but the manufacturer may have a different description. Currently we have no further information abouth the U0033 OBDII code.