Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Automatic test procedure
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Zeroing learning values - Lambda sensor(s)
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Zeroing learning values DPF - If replaced: engine control unit/DPF
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Injector: corrective value - Test
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Customer limitation of maximum speed
21.1.2025 Octavia 2 (1Z) A5 (PQ35) 2004 -2013 01 - Engine Start/stop - activation/deactivation
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Security access: blocking detection
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine DPF regeneration
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test start/stop
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test - idle stabilization
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Temperature sensors test
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test: clutch pedal - pedal switch
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
21.1.2025 Octavia 3 (NE) (MQB/PQ37) 2013 - 2020 01 - Engine Test - Intake air mass sensor CUUx