Date Model Control unit address (e.g. 01) Diagnostic procedure
21.3.2025 Tiguan (5N) MQB (PQ37) 2009 -> 01 - Engine Reset - Starter restriction from SRC system
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Security access: blocking detection
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine DPF regeneration
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Clogging of diesel particulate filter - oil Ash
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Start/Stop check
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - idle stabilization
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Temperature sensors test
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test: clutch pedal - pedal switch
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - Intake air mass sensor CUUx
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation CUUx
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Basic settings - exhaust gas flap
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Zeroing learning values - cylinders: pressure sensor
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - Fuel metering valve (N290) CUUx
20.3.2025 A3 (8V) (MQB/PQ37) 2013 -2019 01 - Engine Test - fuel pressure regulation vlave (N276) CUUx