Date Model Control unit address (e.g. 01) Diagnostic procedure
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Condition for disconnection of the compressor
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Storage of seat heating upon switching off the ignition - driver
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Basic settings - learned terminal buffers of the valves
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Checking the soot loading status of the particulate filter
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Injector: corrective value - Test V3
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation of injection valve after replacement R3
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Security access: blocking detection
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine DPF regeneration
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Clogging of diesel particulate filter - oil Ash
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - idle stabilization
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Temperature sensors test
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - additive pump SCR AD-Blue (V437)
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Intake air mass sensor CUUx
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - exhaust recirculation CUUx
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Basic settings - exhaust gas flap
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values - Low-pressure exhaust gas return valve
17.9.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Zeroing learning values - cylinders: pressure sensor
 
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