U0042 Chevrolet Vehicle Communication Bus B () Open

U0042 Chevrolet Vehicle Communication Bus B () Open

OBD Code:
System:
Subsystem:

U0042 Chevrolet – (ASE)
Network Communication
Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Vehicle Communication Bus B () Open

Location:
Analysis:

Possible Causes:

Tech description: