2012 Volkswagen Passat: engine failure

Filed May 15, 2026 · Electrical, Transmission · TX

I own a 2012 Volkswagen Passat [VIN [XXX] ] with approximately 1315xx miles. On December 17, 2025, I took the car to Rockwall County Volkswagen for three recalls. The car was running and was driven 9.5 miles to the dealership under its own power. I left the engine running when I left the it with the service advisor. When I returned to retrieve the car the following day, the service advisor informed me the car would not start. Their explanation shifted within the same conversation — first that someone had shut it off and it would not crank, then that it would crank but would not start. They claimed they had to pushed it into the service bay, replaced the airbag, and "code the computer for the clock-spring." The dealer refused to repair the no-start condition that occurred in their custody. I towed the car home at my own expense - $161. I performed my own diagnostic work using VW scan tools. The vehicle exhibited a textbook immobilizer or component protection rejection pattern: it would crank, start briefly for 1–2 seconds, then shut off, with three instrument cluster chimes and the coolant fan activating. The scan tool could not communicate with all vehicle modules, consistent with a failed module programming. After contacting the dealer's service manager, I towed the car back to the dealership [$64]. The dealer kept it from December 2025 through April 7, 2026 — approximately four months. During this time, they replaced the battery (charging me) and replaced the engine control module with a used unit they sourced and reprogrammed (charging me a total of $804.38). On April 7, 2026, I drove the car home. The vehicle was driven less than 35 miles after pickup before failing again. On April 27, 2026, my daughter — who had just undergone a serious medical procedure — was driving the car home and was stranded on the side of the road in 90+ degree Texas heat when the car suddenly stopped running with no warning or indication of impending failure. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA)

Filed Sep 22, 2015 · Electrical, Engine · 112,000 miles · OR

Despite performing the regularly scheduled (very expensive) maintenance for this vehicle, we had many issues with our 2012 volkswagen passat tdi. This car was a commuter vehicle and was driven 110 miles/5 days per week at 55-65 MPH. We thought that with proper care and maintenance this car with its diesel engine would last more than 111,000 miles... We are so disappointed and frankly irate. What a waste of money. Our issues were: at numerous mileages, our head, tail and running lights had to be replaced at about $50/instance. At 104,738 miles, the passenger window would not go up or down. The window pin was replaced for $184.05. At 101,019 miles, the timing belt was replaced at a cost of $1,260.76. At 111,166 miles, our 2012 volkswagen passat tdi began to run very rough and loud on trip. We made it home and my husband brought the car to the volkswagen shop where we were told that bearings broke off and destroyed the interior of our engine. We replaced the engine at a whopping $6,865.76. At 127,115 miles the car would not start. We towed it to the dealer where we were told the starter had gone out and needed to be replaced. We sold the passat on the spot to the dealer before fixing this issue. We could not bear to sell this car to a private party.

Filed Jun 23, 2015 · Fuel system · 50,050 miles · MA

On 6-9-15 this diesel vehicle would not start. Mileage is approximate as I do not have the vehicle (it is at the dealer). Taken to vw of north attleboro, ma for diagnosis and repair. Dealer stated fuel was contaminated and cleaned out fuel lines and replaced filter. Dealer stated vehicle still would still not start. Dealer then stated they investigated fuel down-line of filter and found contaminated fuel in the common fuel distribution rail just before the fuel injectors. Dealer stated they did not retain the fuel filter which would have shown a filter breach/rupture that allowed the contaminated fuel to go beyond the filter causing this additional mischief. Request further investigation of vw passat diesel fuel filters and the fuel filtration system that may cause sudden engine failure because of passing through contaminated fuel, rather than filtering as it should which would cause a slower decrease in engine power because of restricted fuel flow. The whole purpose of diesel fuel filtration is to prevent introduction into critical engine components contaminates often found in diesel fuel. Dealer estimates repair cost of $7,236.25, the bulk of which is for damage to critical engine components downstream of the diesel fuel filter resulting in sudden engine stoppage. This vehicle was refueled only at diesel fuel stations for which receipts were obtained, so no gasoline or other improper fuel was introduced into this vehicle.

Filed Jun 18, 2015 · Airbags, Steering · 86,000 miles · CA

Tl* the contact owns a 2012 volkswagen passat. While driving at 65 MPH, the steering wheel seized and the air bag warning light illuminated. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was 86,000. Ma 08/05/15 the consumer stated the vehicle was repaired. A mechanic advised the clock spring failed, which appeared to be related to the federal safety agency pe 15010. Updated 9/29/2015

Filed Dec 31, 2014 · Airbags · 57,000 miles · NJ

Tl* the contact owns a 2012 volkswagen passat. The contact stated that while driving at approximately 25 MPH, the steering wheel seized and the air bag warning light illuminated. The vehicle was taken to the dealer where it was diagnosed that the clock spring needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 57,000.

Filed Jul 29, 2014 · Engine, Fuel system · 44,800 miles · MD

On july 16, 2014 at approximately 5:00 pm, my 2012 volkswagen passat tdi sel premium lost power on the highway. The engine failed and shut off while I was traveling on interstate 95 north and left me stranded on the highway surrounded by cars traveling at speeds greater than 65 MPH. The engine failure put my life, my colleague's life and my fetus'' life in danger and could have been disastrous for other motor vehicles as well. My car was towed to a volkswagen service center, where they inspected the fuel system and found a broken bolt. This bolt held the fuel rail and fuel injectors in place and when it broke, caused the injectors to pop out of the cylinder head and the subsequent engine failure. The installed bolt was part of the fuel system replacement repair that another dealership service center, closer to my home, performed back in april 2014. I''ve had three major incidents with my vw now, all within the last 3 months and it seems to be stemming from the fuel system replacement. When the fuel system was replaced, the service center blamed it on a "bad batch of diesel fuel" from a local gas station. They said that within 3 weeks, they've had around 25 cars come in with the same problem. My car is not even 3 years old and has only 44,000 miles on it. This is completely unacceptable. Because of these incidents, the last one of which put my life as well as 2 other lives in grave danger, I would like to submit this complaint, in case it is a more wide spread problem.

Filed May 1, 2013 · Fuel system · 28,317 miles · MD

Metal shavings in the fuel system causing engine failure. Fuel was tested and found to be diesel fuel. No other fuel has ever been used or pumped into this vehicle.