Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Change-over valve for the cooler of the exhaust gas recirculation
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - exhaust recirculation - servo motor (V338)
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 Zeroing learning values - Lambda sensor(s)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Zeroing learning values DPF - If replaced: engine control unit/DPF
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Zeroing learning values DPF - If replaced: pressure difference sensor (G505)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Zeroing learning values DPF - If replaced: DPF
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Injector: corrective value - Test
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test: clutch pedal - pedal switch
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test of cruise control
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Zeroing learning values DPF - If replaced: engine control unit