Date Model Control unit address (e.g. 01) Diagnostic procedure
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 09 - Central electrics Production mode - deactivation
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Security access: invalid accesses detection
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning steering wheel heating - settings
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Condition for disconnection of the compressor
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 08 - Air-conditioning Basic settings - learned terminal buffers of the valves
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 03 - Brake electronics Security access: blocking detection
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 03 - Brake electronics Replacement of brake pads
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 03 - Brake electronics Tyre-pressure monitoring - basic settings
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 03 - Brake electronics Coding
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Injector: corrective value - Test V3
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation of injection valve after replacement R3
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Adaptation - pressure difference sensor - exhaust recirculation
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Security access: blocking detection
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine DPF regeneration
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Clogging of diesel particulate filter - oil Ash
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - idle stabilization
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Temperature sensors test
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 2
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - filling pressure control valve (N75) CUUx variant 1
5.1.2026 A6 / A7 (4G) C7 (MLB/PQ57) 2011 - 2018 01 - Engine Test - Intake air mass sensor CUUx