U0004 Chevrolet High Speed Controller Area Network (CAN) Communication Bus (+) Low

U0004 Chevrolet High Speed Controller Area Network (CAN) Communication Bus (+) Low

OBD Code:
System:
Subsystem:
 U0004 Chevrolet – (ASE)
 Network Communication
 Fuel & Air metering, Auxiliary emission controls

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


Location:
Analysis:

Possible Causes:

 
 

 

Tech description: