Date Model Control unit address (e.g. 01) Diagnostic procedure
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test - voltage: terminal 30 (J317)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of radiator fan control unit (J293)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of engine temperature sensor - outlet from radiator (G83)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of fuel temperature sensor (G81)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of engine temperature sensor (G62)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of filling and atmospheric pressure sensor (G31)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Activation - fuel pump (G6)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test of pedal switches (cruise control)
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Basic settings - adaptation - Test: throttle valve
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Creation of readiness
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Automatic test procedure
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Deletion of statistics memory - Start-stop
21.1.2025 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Start/stop - activation/deactivation
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Bleeding (deaeration) - Engine cooling
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Security access: blocking detection
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine DPF regeneration
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Clogging of diesel particulate filter - oil Ash
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Temperature sensors test
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Test - additive pump SCR AD-Blue (V437)
21.1.2025 Transporter (7H) (T6 PQ75) 2015 -> 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2