Date Model Control unit address (e.g. 01) Diagnostic procedure
22.4.2025 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Deletion of statistics memory - Start-stop
22.4.2025 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Start/stop - activation/deactivation
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Security access: blocking detection
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine DPF regeneration
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Clogging of diesel particulate filter - oil Ash
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - idle stabilization
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Temperature sensors test
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - Intake air mass sensor CUUx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - exhaust recirculation CUUx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Basic settings - exhaust gas flap
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Zeroing learning values - cylinders: pressure sensor
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - Fuel metering valve (N290) CUUx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - fuel pressure regulation vlave (N276) CUUx
21.4.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Test - coolant temperature - temperature sensor (G62)