Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Test - additive pump SCR AD-Blue (V437)
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - additive pump SCR AD-Blue (V437)
21.1.2025 Scirocco (13) 2009 - 2015 01 - Engine Test - additive pump SCR AD-Blue (V437)
21.1.2025 Leon (KL) 2021 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Scirocco (13) 2009 - 2015 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Leon (KL) 2021 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Scirocco (13) 2009 - 2015 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Leon (KL) 2021 -> 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 Scirocco (13) 2009 - 2015 01 - Engine Test - exhaust recirculation CUUx
21.1.2025 Leon (KL) 2021 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Golf 8 (CD) 2020 -> 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Scirocco (13) 2009 - 2015 01 - Engine Basic settings - exhaust gas flap
21.1.2025 Leon (KL) 2021 -> 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve