U0020 Code: Meaning, Causes, and Symptoms | OBD2 Codes
U0020 – Low Speed CAN Communication Bus Performance
U0020 Possible Symptoms
Engine Light ON (or Service Engine Soon Warning Light)
Low Speed CAN Communication Bus Performance is the generic description for the U0020 code, but the manufacturer may have a different description. Currently we have no further information abouth the U0020 OBDII code.