AUTEL MaxiDiag MD808 Pro is a professional cost-effective OBD2 full system car diagnostic tool. Here have collected some common questions & solutions and unbiased customer reviews. Hope it’s helpful! AUTEL MD808 Pro FAQs: A1: Can MD808 pro enter code for battery on Audi s4 2012? Q1: Yes, it can. Q2: Does it read TCC…