Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Basic settings - Low-pressure exhaust gas return valve
21.1.2025 Leon (KL) 2021 -> 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
21.1.2025 Leon (KL) 2021 -> 01 - Engine Zeroing learning values - Intake air mass sensor
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Zeroing learning values - Intake air mass sensor
21.1.2025 Leon (KL) 2021 -> 01 - Engine Zeroing learning values DPF - If replaced: engine control unit
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Zeroing learning values DPF - If replaced: engine control unit
21.1.2025 Leon (KL) 2021 -> 01 - Engine Adaptation: soot clogging DPF - If replaced: DPF
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Adaptation: soot clogging DPF - If replaced: DPF
21.1.2025 Leon (KL) 2021 -> 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx
21.1.2025 Leon (KL) 2021 -> 01 - Engine Test of the condition of the diesel particulate filter - oil ash CLHx;CNHx
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Test of the condition of the diesel particulate filter - oil ash CLHx;CNHx
21.1.2025 Leon (KL) 2021 -> 01 - Engine Creation of readiness
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Creation of readiness
21.1.2025 Leon (KL) 2021 -> 01 - Engine Zeroing learning values - Quantity measuring unit - regulator valve
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Zeroing learning values - Quantity measuring unit - regulator valve
21.1.2025 Leon (KL) 2021 -> 01 - Engine Turbo blower - replacement (adaptation)
21.1.2025 Octavia 4 (NX) 2020 -> 01 - Engine Turbo blower - replacement (adaptation)
21.1.2025 Leon (KL) 2021 -> 01 - Engine Adaptation of injection valve after replacement R4