Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Reset - Starter restriction from SRC system
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Security access: blocking detection
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - idle stabilization
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Basic settings - exhaust gas flap
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of cruise control
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Adaptation of DPF differential pressure sensor
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx
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 Turbo blower - replacement (adaptation)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Adaptation of injection valve after replacement R4
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Adaptation of DPF differential pressure sensor
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Bleeding of fuel system - variant 2
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - filling pressure control valve (N75)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - system indicator light: Diesel Particulate Filter (K231)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Emissions Indicator Light (K83)
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 Test of fuel temperature sensor (G81)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of intake air temperature sensor (G299)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)