Date Model Control unit address (e.g. 01) Diagnostic procedure
8.2.2026 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Start/stop - activation/deactivation
8.2.2026 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of the condition of the diesel particulate filter - oil ash
8.2.2026 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Emptying of the system AdBlue SCR
8.2.2026 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Reset - Starter restriction from SRC system
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Injector: corrective value - Test V3
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Adaptation of injection valve after replacement R3
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Bleeding (deaeration) - Engine cooling
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Security access: blocking detection
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine DPF regeneration
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Clogging of diesel particulate filter - oil Ash
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test - idle stabilization
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Temperature sensors test
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test: clutch pedal - pedal switch
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test - Intake air mass sensor CUUx
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Test - exhaust recirculation CUUx
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Basic settings - exhaust gas flap
8.2.2026 A6 /A7 (F2) C8 (MLB Evo) 2019-> 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve