This bulletin applies to 2011-2016 Audi Q5 vehicles. The vehicle may not operate in electric driving mode. The combustion engine may not switch off, even when the high voltage battery is fully charged. The vehicle cannot be driven electrically or the combustion engine does not switch off because the mixture adaptation has not yet been completed. The mixture adaptation values (programmed values) are reset after updating the ECM. After resetting the programmed values, a replacement program of the mixture adaptation values is necessary.
Warm up the combustion engine and engage the handbrake. Press the accelerator pedal for 2 seconds at kick-down (if the combustion engine is not yet running). Select test plan via the guided functions CHJA – Engine (RG)1; 10-18>>01 Engine Electronics J623>>01 – Engine Electronics, functions>>Generating readiness code 01 engine electronics.
Operate the accelerator pedal and brake pedal (engine speed must be increased a few times. After about 90 seconds the values should be successfully programmed. Switch off the engine.
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Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.