After getting a “heater support pump running dry“ code (P16C6), I needed to run a few tests on my heater support pump to make sure it was running properly. In this video, I show you a step-by-step process on how to check your heater support pump and the values you should see, using VCDS, aka VAG-COM. #gti #golfr #vw #audi #a3 #s3 #vagcom #vcds