Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Zeroing learning values - Lambda sensor(s)
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Injector: corrective value - Test
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Customer limitation of maximum speed
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Start/stop - activation/deactivation
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of the condition of the diesel particulate filter - oil ash
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Emptying of the system AdBlue SCR
21.1.2025 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Reset - Starter restriction from SRC system
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Security access: blocking detection
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test start/stop
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Basic settings - exhaust gas flap
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test of cruise control
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Creation of readiness
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test of filling and atmospheric pressure sensor
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Snížení Pressureu v railu
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test: přestatusování vačkového hřídele - sací ventily
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test: lambda control
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test: aeration of fuel tank
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test: temperature sensor - ambient temperature (G17)
21.1.2025 A1 (8X) A05 (PQ21) 2011 - 2018 01 - Engine Test: fuel pressure regulation vlave (N276)