Audi Q2: Warm Up Catalyst Efficiency → Below Threshold (Bank2)

P0431 is a standard OBDII trouble code, which means that it has the same meaning for the Audi Q2 as it would any other vehicle.  It is closely related to P0430 (which is one of the most popular OBDII codes). Warm Up Catalyst Efficiency → Below Threshold (Bank 2) When it’s the only trouble code … Read moreAudi Q2: Warm Up Catalyst Efficiency → Below Threshold (Bank2)

Audi Q2: Warm Up Catalyst Efficiency → Below Threshold (Bank 1)

P0421 is a generic OBDII trouble code.  It has the same meaning for the Audi Q2 as it would any other vehicle.  It is closely related to P0420 (which is the most popular OBD code). Warm Up Catalyst Efficiency → Below Threshold (Bank 1) When it’s the only trouble code present, P0421 will typically not … Read moreAudi Q2: Warm Up Catalyst Efficiency → Below Threshold (Bank 1)

Audi Q2 P0411: Secondary Air Injection System → Incorrect Flow Detected

P0411 is a general OBDII trouble code, which means that it has the same meaning for the Audi Q2 as it would any other car or truck.  By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system.  P0411: Secondary Air Injection System → Incorrect … Read moreAudi Q2 P0411: Secondary Air Injection System → Incorrect Flow Detected

Audi Q2 P0740: Torque Converter Clutch Circuit Malfunction

P0740 is one of the most common transmission trouble codes. It means that the Q2‘s computer has detected that there is an issue with the torque converter clutch (TCC) solenoid circuit.     P0740: Torque Converter Clutch Circuit Malfunction   The TCC “locks” the drivetrain, which allows for a true mechanical connection between the transmission … Read moreAudi Q2 P0740: Torque Converter Clutch Circuit Malfunction