Date Model Control unit address (e.g. 01) Diagnostic procedure
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine DPF regeneration
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Clogging of diesel particulate filter - oil Ash
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - idle stabilization
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Temperature sensors test
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test: clutch pedal - pedal switch
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - additive pump SCR AD-Blue (V437)
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - exhaust recirculation CUUx
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Basic settings - exhaust gas flap
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Zeroing learning values - cylinders: pressure sensor
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Measurement of compression pressure
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Basic settings - Zero detection of SRC additive level
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Zeroing learning values: additive injection system
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - Dosing of the reducing agent SCR AdBlue
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Check the leakproofness of the lines AdBlue - SCR
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - exhaust recirculation (GX6) - potentiometer (G466) CLHx
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - exhaust recirculation (GX6) - servo motor (V339) CLHx
25.3.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - Fuel metering valve (N290) CUUx