Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Basic settings - Neutral gear sensor (G701)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Basic settings - turbo blower
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Creation of readiness
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Automatic test procedure
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Zeroing learning values - Lambda sensor(s)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Injector: corrective value - Test
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Customer limitation of maximum speed
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Start/stop - activation/deactivation
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of the condition of the diesel particulate filter - oil ash
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test: Reducing agent SCR - Efficiency
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Emptying of the system AdBlue SCR
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Reset - Starter restriction from SRC system
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Security access: blocking detection
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine DPF regeneration
21.1.2025 A4 (8K) B8 (MLB/PQ48) 2008 - 2016 01 - Engine Clogging of diesel particulate filter - oil Ash