Date Model Control unit address (e.g. 01) Diagnostic procedure
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - voltage: terminal 30 (J317)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of radiator fan control unit (J293)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of heating (glow) unit (J179)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Neutral gear sensor (G701)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - temperature sensor: Reducing agent AD-Blue (G685)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of DPF differential pressure sensor 1 (G505)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of exhaust gases temperature sensor 1;3;4 (G235; G495;G648)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of fuel temperature sensor (G81)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Intake air mass sensor - test drive
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of engine temperature sensor (G62)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of intake air temperature sensor (G42)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test of filling and atmospheric pressure sensor (G31)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - exhaust gas return valve 1 (GX5)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Change-over valve for the cooler of the exhaust gas recirculation
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - exhaust recirculation - servo motor (V338)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Activation - fuel pump (G6)
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Evacuation of fuel tank
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test / activation of fuel pump and control relay
1.2.2024 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Bleeding of fuel system