Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - low heat performance relay (J359)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - throttle valve: control unit (J338)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - voltage: terminal 30 (J317)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of radiator fan control unit (J293)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of heating (glow) unit (J179)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - Neutral gear sensor (G701)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - Evaluation unit: Reducing agent (G698)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - Level sensor: Reducing agent (G697)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - temperature sensor: Reducing agent AD-Blue (G685)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of engine temperature sensor (G62)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of intake air temperature sensor (G42)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of filling and atmospheric pressure sensor (G31)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - exhaust gas return valve 1 (GX5)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test - exhaust recirculation - servo motor (V338)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Activation - fuel pump (G6)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Evacuation of fuel tank
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test / activation of fuel pump and control relay
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Bleeding of fuel system
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Test of pedal switches (cruise control)
21.1.2025 Golf/Jetta 7 (MQB/PQ37) 2013 - 2020 01 - Engine Basic settings - adaptation - Test: throttle valve