Date Model Control unit address (e.g. 01) Diagnostic procedure
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - engine control unit (J623) - power supply
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - throttle actuator
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - electromagnetic valve: aeration of fuel tank (N80)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - fuel pressure regulation vlave (N276)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - injector 1-4 (N30;N31;N32;N33)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - fuel pump: control unit (J538)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of radiator fan control unit (J293)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test - Neutral gear sensor (G701)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of fuel temperature sensor (G81)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of engine temperature sensor (G62)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of intake air temperature sensor (G42)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Test of filling and atmospheric pressure sensor (G31)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Activation - fuel pump (G6)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Basic settings - adaptation - Test: throttle valve
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Basic settings - Neutral gear sensor (G701)
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Creation of readiness
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Automatic test procedure
5.12.2025 Fabia 3 (NJ) A04 (PQ26) 2015 -> 01 - Engine Start/stop - activation/deactivation
4.12.2025 Leon (5F) MQB (PQ37) 2013 - 2020 01 - Engine Security access: blocking detection