Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Bleeding of fuel system
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of pedal switches (cruise control)
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Basic settings - adaptation - Test: throttle valve
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Basic settings - turbo blower
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Creation of readiness
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Automatic test procedure
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values - Lambda sensor(s)
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values DPF - If replaced: engine control unit/DPF
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values DPF - If replaced: pressure difference sensor (G505)
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values DPF - If replaced: DPF
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Injector: corrective value - Test
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation of injection valve after replacement
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Customer limitation of maximum speed
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Start/stop - activation/deactivation
21.1.2025 Q5 (FY) (MLB Evo/PQ49) 2017 -> 01 - Engine Security access: blocking detection
21.1.2025 Q5 (FY) (MLB Evo/PQ49) 2017 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Q5 (FY) (MLB Evo/PQ49) 2017 -> 01 - Engine Basic settings - exhaust gas flap