Date Model Control unit address (e.g. 01) Diagnostic 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 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 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Security access: blocking detection
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine DPF regeneration
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test start/stop
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - idle stabilization
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Temperature sensors test
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test: clutch pedal - pedal switch
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Intake air mass sensor CUUx
21.1.2025 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - exhaust recirculation CUUx