Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Activation - fuel pump (G6)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Evacuation of fuel tank
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test / activation of fuel pump and control relay
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Bleeding of fuel system
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of pedal switches (cruise control)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Basic settings - adaptation - Test: throttle valve
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Basic settings - turbo blower
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Creation of readiness
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Automatic test procedure
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Zeroing learning values - Lambda sensor(s)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Injector: corrective value - Test
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Customer limitation of maximum speed
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Start/stop - activation/deactivation
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of the condition of the diesel particulate filter - oil ash
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Emptying of the system AdBlue SCR
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Reset - Starter restriction from SRC system
21.1.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Security access: blocking detection