Date Model Control unit address (e.g. 01) Diagnostic procedure
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - Intake air mass sensor - test drive
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test of cruise control
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Adaptation: oil presure for engine run-in
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Basic settings - Low-pressure exhaust gas return valve
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values - Intake air mass sensor
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values DPF - If replaced: engine control unit
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Adaptation: soot clogging DPF - If replaced: DPF
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Adaptation of injection valve after replacement CLHx;CNHx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test of the condition of the diesel particulate filter - oil ash CLHx;CNHx
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Bleeding (deaeration) - Engine cooling
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Creation of readiness
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Zeroing learning values - Quantity measuring unit - regulator valve
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Turbo blower - replacement (adaptation)
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Adaptation of injection valve after replacement
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Bleeding of fuel system - variant 2
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test of the condition of the diesel particulate filter
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test of filling and atmospheric pressure sensor
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test - filling pressure control valve (N75)
1.2.2024 Q3 (8U) A5 (PQ21) 2012-2018 01 - Engine Test: temperature sensor - ambient temperature (G17)