Two problems related to diesel engine have been reported for the 2014 Volkswagen Passat. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2014 Volkswagen Passat based on all problems reported for the 2014 Passat.
The heating of the windshield and side window defrosting system not working on the passenger side of the car. Vw has already recalled the 2014 Passat with the diesel engine. Going back home from tennessee on the interstate at 66 mph the outside temperature was negative 9 the passenger side windshield developed ice on the inside of the car along with the passenger side window. We had to pull off at a exit and scrape the inside of the windshield and side window. We continued on are trip home and had to stop about an hour later with the same problem. We had to wait for the outside temperature to rise up and the sun to come out. The passenger side windshield and side widow inside would not clear up and had to be towel dried all the way home. Talked to vw of America there comment was they had not heard of the problem. Talked to the local vw dealer and there comment was that they are replacing heater cores on other years of the Passat's but not are year yet. They recommended that we pay for the repair and try to get vw of America pay for it. Vw has warrantied other vws with a letter extending the warranty on some 2013-2014 Passat's to 10 years and up to 120k miles.
Just under 80,000 miles on car. Tdi diesel engine. High pressure diesel pump failed without warning. Engine stalled immediately. Luckily I was not in heavy trafic at the time and was able to coast to shoulder of road. I was just turning right onto 4 lane divided road from bussines parking lot. Engine stalled mid turn.