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

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

OBD Code:
System:
Subsystem:

U0021 Subaru – (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:

Subaru Vehicle:Subaru Forester,Subaru Impreza,Subaru Legacy,Subaru Outback,Subaru Tribeca,