Date Model Control unit address (e.g. 01) Diagnostic procedure
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 08 - Air-conditioning Air-conditioning - control unit - replacement
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 08 - Air-conditioning Compressor run-in (air condition compressor - replacement)
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 08 - Air-conditioning Condition for disconnection of the compressor
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 08 - Air-conditioning Storage of seat heating upon switching off the ignition - driver
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 08 - Air-conditioning Basic settings - learned terminal buffers of the valves
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test start/stop
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - idle stabilization
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - Intake air mass sensor CUUx
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Basic settings - exhaust gas flap
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test - Intake air mass sensor - test drive
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Test of cruise control
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Adaptation of DPF differential pressure sensor
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Creation of readiness
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Zeroing learning values - Quantity measuring unit - regulator valve
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Turbo blower - replacement (adaptation)
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Adaptation of injection valve after replacement R4
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Adaptation of DPF differential pressure sensor
1.2.2024 A4 (F4) B9 (MLB/PQ49) 2016 - 2018 01 - Engine Bleeding of fuel system - variant 2