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Visibility/wiper
12/01/2025
The heater core becomes clogged and limits heat available for windshield defogging and defrosting. This creates a visibility hazard during inclement weather and makes the cabin uncomfortable during cold weather. The heater core was diagnosed and replaced on this vehicle in December 2024. The same symptoms have returned in December 2025. Volkwagen issued TSB VWP-16-05 to remedy this same issue in 2013-2014 Passats. I own a 2015 Passat. 2015 Passats have the same symptoms and problems.
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Electrical System, visibility
11/17/2025
The contact owns a 2015 Volkswagen Passat. The contact stated that cool air was being blown inside the vehicle. The contact stated that the heater failed to heat the passenger’s side of the vehicle. Additionally, the defroster failed to properly defrost the windshield while activated. The contact linked the failure to VWP:16‑05; (Heater Core Limited Warranty Extension). The vehicle was taken to an independent mechanic who referred the contact to the manufacturer for assistance. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was contacted and confirmed that there was no warranty coverage on the vehicle for the failure. The failure mileage was approximately 103,000.
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Electrical System, air Bags
08/20/2025
The airbag system/clockspring assembly in the steering column appears to have failed. The airbag warning light turned on and all steering-wheel controls stopped working at the same time, which indicates that the driver airbag may not function in a crash. The vehicle can be inspected upon request. This is a major safety risk because the primary airbag might not deploy during a collision, putting the driver at high risk of injury. The issue has remained constant since it first appeared. I had the vehicle inspected by a highly reputable independent repair shop, and their assessment was that the clockspring/airbag component has failed. They advised that the necessary replacement part is unavailable to order, leaving the vehicle without a functional airbag system. I have also seen many other owners of similar 2015 Passat models reporting the same failure online, which suggests this may be a widespread defect. The airbag light is the only warning I received. It turned on a few months ago...
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Unknown Or Other
10/01/2025
Gas smell inside vehicle Plastic canister under back seat leaking gas smell /has cracked
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Engine
10/08/2025
My vehicle is a MY2015 Passat TDI SEL with the EA288 (CVCA) diesel engine. Water Pump Failure Occurred at 99488 miles. Leaking coolant from underneath the engine and the expansion tank bottle became empty. Vehicle was parked after a quick 8 min drive to work from home in the morning (~8:45AM) and when I came back at 12PM around 1 quart of coolant had leaked out. Luckily I was not on the freeway or driving the vehicle where it would ride on its torque curve increasing probability of catastrophic failures even after there are usually software induced engine protection derates in place. Official service interval for water pump and timing belt on this engine is 130000 miles but there have been numerous field incidents of pre-mature water pump failures which can be very expensive to fix (~2500 USD). Volkswagen/Audi already have a class action lawsuit against them on their 2.0 TFSI (EA888) water pump failures and I'm wondering why their MY2015 2.0 TDI (EA288) diesel engine has not been inv...
