In general, the ignition control module of the Audi is gathering information from the crankshaft position sensor or camshaft position sensor for determining its ignition timing. Moreover, the ignition timing is playing a major role in enhancing the performance and health of the engine. After regular use, the ICM is failed in your car and needs immediate replacement. Go through the slide to know about the symptoms of a bad ignition control module in the Audi Q5.