U300C Buick Ignition Input Off / On / Start

U300D Buick Ignition Input On / Start

OBD Code:
System:
Subsystem:

U300D Buick – (ASE)
Network Communication
Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Ignition Input On / Start

Location:
Analysis:

Possible Causes:

Tech description:

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera