Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of filling pressure
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 - engine control unit (J623) - power supply
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Charge Pressure Controller - Position sensor (G581)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - fuel pressure regulation vlave (N276)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Fuel metering valve (N290)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - fuel pressure regulation vlave (N276)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - filling pressure control valve (N75) - 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 - injector 1-4 (N30;N31;N32;N33)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - system indicator light: glowing (K29)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - fuel pump: control unit (J538)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Starter control (J906)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - high heat performance relay (J360)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - low heat performance relay (J359)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - throttle valve: control unit (J338)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - voltage: terminal 30 (J317)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of radiator fan control unit (J293)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test of heating (glow) unit (J179)
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Test - Neutral gear sensor (G701)
 
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