U0021 Low Speed Controller Area Network (CAN) Communication Bus (+) Open

U0021 Low Speed Controller Area Network (CAN) Communication Bus (+) Open

OBD Code:
System:
Subsystem: 		 U0021 – (ASE)
 Network Communication
 Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Low Speed Controller Area Network (CAN) Communication Bus (+) Open


Location:
Analysis:

Possible Causes:
 
 

 

Tech description: