Date Model Control unit address (e.g. 01) Diagnostic procedure
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test: clutch pedal - pedal switch
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - additive pump SCR AD-Blue (V437)
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - Intake air mass sensor CUUx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - exhaust recirculation CUUx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Basic settings - exhaust gas flap
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values - cylinders: pressure sensor
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Measurement of compression pressure
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Basic settings - Zero detection of SRC additive level
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values: additive injection system
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - Dosing of the reducing agent SCR AdBlue
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Reducing agent AD-Blue - status check
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Check the leakproofness of the lines AdBlue - SCR
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - Fuel metering valve (N290) CUUx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - fuel pressure regulation vlave (N276) CUUx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - coolant temperature - temperature sensor (G62)