Q7 Q7 Stop-Start issue

albertbrown

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Mar 11, 2021
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My 2015 Q7 got an issue with the SS function.
When the car is cool in the morning, it starts OK. When I stop at a traffic light, the engine stops and when I release the brake, the engine starts without any issue. It works fine for the first 3-4 stops. After that (usually when the engine temp. reaches over 90C), the engine does not start back. That means when I stop at a traffic light, the engine stops but when I release the brake, the engine does not start. I can hear a 'click' (very low) and nothing happens. Then I have to put in 'N' or 'P', press 'Stop' button and then press 'Start' button 2-3 times to start the engine.
Any idea?