Scan Tool Autel MS906BT and Micsig Oscilloscope Audi Volkswagen A/C Diagnosis Fix Code 00457 00256

We diagnose the reason why the AC is not blowing cold in a 2013 Audi S5. Many Audi Volkswagen vehicles use the same system design. In this case the air conditioning was not blowing cold because the ac compressor was not be commanded on by the ECM. We go through the steps to diagnose exactly what is causing the issue using an Autel MS906BT scan tool and a Micsig Oscilloscope. Audi Volkswagen trouble codes 00256 and 00457 are common codes when experiencing no a/c complaints. The check engine will not illuminate. Thanks for stopping by the channel and feel free to leave comments and questions down below. -Glen (Ozz) **A/C Pressure Switch** https://amzn.to/3h3e7DZ **Autel MS906BT Scan Tool** https://amzn.to/2Ruq9LE **Micsig Oscilliscope T01104** https://amzn.to/3h3FFsM Check out some cool tools that Ozzstar likes to use: https://www.amazon.com/shop/ozzstar If this video has helped you out consider donating to the the channel with Paypal, thanks! https://www.paypal.me/ozzstar INSTAGRAM: www.instagram.com/Ozzstar1 FACEBOOK: www.facebook.com/ozzstar Mailing address: Ozzstar PO BOX 9291 Newark, DE 19714