P0420 Audi Trouble Code – Catalyst System Efficiency Below Threshold

P0420 Audi Code Definition Catalyst System Efficiency Below Threshold Symptoms: Check Engine Light will illuminate In most cases, there are no adverse conditions noticed by the driver In some cases, there may be some performance problems noticed by the driver such as a lack of power from a restricted and/or damaged Catalytic Converter Possible Problems:…

U300F Audi Ignition Input Accessory

U300F Audi Ignition Input Accessory OBD Code: System: Subsystem:  U300F Audi – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Ignition Input Accessory Location: Analysis: Possible Causes:       Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi…

U3010 Audi Ignition Input Start

U3010 Audi Ignition Input Start OBD Code: System: Subsystem:  U3010 Audi – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Ignition Input Start Location: Analysis: Possible Causes:       Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi…

U300D Audi Ignition Input On / Start

U300D Audi Ignition Input On / Start OBD Code: System: Subsystem:  U300D Audi – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Ignition Input On / Start Location: Analysis: Possible Causes:       Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi…

U300E Audi Ignition Input On

U300E Audi Ignition Input On OBD Code: System: Subsystem:  U300E Audi – (ASE)  Network Communication  Fuel & Air metering, Auxiliary emission controls Trouble Code Description: Ignition Input On Location: Analysis: Possible Causes:       Tech description: Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi…