Date Model Control unit address (e.g. 01) Diagnostic procedure
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Test / activation of fuel pump and control relay
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Bleeding of fuel system
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Basic settings - adaptation - Test: throttle valve
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Basic settings - turbo blower
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Basic settings - exhaust gas return valve 1 (GX5)
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Creation of readiness
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Automatic test procedure
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Zeroing learning values - Adaptation of the mean quantity value
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Zeroing learning values - Lambda sensor(s)
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Zeroing learning values DPF - If replaced: engine control unit/DPF
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Zeroing learning values DPF - If replaced: pressure difference sensor (G505)
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Zeroing learning values DPF - If replaced: DPF
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Injector: corrective value - Test
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Adaptation of injection valve after replacement
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Customer limitation of maximum speed
5.1.2026 A8 (4H) D4 (MLB/PQ64) 2010 - 2017 01 - Engine Reducing agent SCR - AD-Blue - status check
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 44 - Steering booster Security access: blocking detection
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 44 - Steering booster Security access RCEPS
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 15 - Airbag Security access: blocking detection
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 15 - Airbag Resetting of seat occupancy detection system