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)

 

U0020 Description

 

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.