Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - additive pump SCR AD-Blue (V437)
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Zeroing learning values - cylinders: pressure sensor
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Measurement of compression pressure
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Basic settings - Zero detection of SRC additive level
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Zeroing learning values: additive injection system
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - Dosing of the reducing agent SCR AdBlue
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Reducing agent AD-Blue - status check
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Check the leakproofness of the lines AdBlue - SCR
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - Fuel metering valve (N290) CUUx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - fuel pressure regulation vlave (N276) CUUx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test - filling pressure control valve (N75) CLHx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test of DPF differential pressure sensor 1 (G505) CUUx
21.1.2025 Golf 7 USA (AU) A7 MQB (PQ37) 2015 - 2019 01 - Engine Test of exhaust gases temperature sensor 2;3;4 (G448; G495;G648) CUUx