Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of intake air temperature sensor (G41)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of intake air temperature sensor (G41)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of gas pedal position sensor 2 - voltage (G185)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of gas pedal position sensor 2 - voltage (G185)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of gas pedal position sensor 1; 2 (G79; G185)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of gas pedal position sensor 1; 2 (G79; G185)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of gas pedal position sensor 1 - voltage (G79)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of gas pedal position sensor 1 - voltage (G79)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of load signals for alternator
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of load signals for alternator
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test - fuel pressure - pressure sensor (G247)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - fuel pressure - pressure sensor (G247)
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test - electromagnetic valve for the active carbon box (N80) variant 2
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - electromagnetic valve for the active carbon box (N80) variant 2
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test - electromagnetic valve for the active carbon box (N80) variant 1
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - electromagnetic valve for the active carbon box (N80) variant 1
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Automatic test procedure
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Automatic test procedure