Date Model Control unit address (e.g. 01) Diagnostic procedure
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Zeroing learning values: additive injection system
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - Dosing of the reducing agent SCR AdBlue
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Reducing agent AD-Blue - status check
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Check the leakproofness of the lines AdBlue - SCR
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - Fuel metering valve (N290) CUUx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - fuel pressure regulation vlave (N276) CUUx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - filling pressure control valve (N75) CLHx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test of DPF differential pressure sensor 1 (G505) CUUx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test of exhaust gases temperature sensor 2;3;4 (G448; G495;G648) CUUx
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test of fuel temperature sensor (G81)
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test - Intake air mass sensor - test drive
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Test of cruise control
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Adaptation: oil presure for engine run-in
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Basic settings - Low-pressure exhaust gas return valve
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Zeroing learning values - Intake air mass sensor
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Zeroing learning values DPF - If replaced: engine control unit
31.1.2024 A3 (FF) MQB (PQ37) 2014 - 2017 01 - Engine Adaptation: soot clogging DPF - If replaced: DPF