Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Injector: corrective value - Test
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Adaptation of injection valve after replacement
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Customer limitation of maximum speed
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Start/stop - activation/deactivation
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test of the condition of the diesel particulate filter - oil ash
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Reducing agent SCR - AD-Blue - status check
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Security access: blocking detection
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Security access: blocking detection
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Basic settings - exhaust gas flap
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Measurement of compression pressure
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Measurement of compression pressure
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Adaptation: oil presure for engine run-in
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Adaptation: oil presure for engine run-in
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Creation of readiness
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Creation of readiness
21.1.2025 A5 (F5) B9 (MLB Evo/PQ49) 2017 -> 01 - Engine Test of filling and atmospheric pressure sensor
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of filling and atmospheric pressure sensor