Table 1 shows four common visibility related problems of the 2015 Volkswagen Passat. The number one most common problem is related to the wiper (six problems). The second most common problem is related to the defroster/defogger/hvac system heater core (one problem).
| Problem Category | Number of Problems |
|---|---|
| Wiper problems | |
| Defroster/defogger/hvac System Heater Core problems | |
| Defogger Heater problems | |
| Defroster/defogger/hvac System problems |
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. Read details...
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. Read details...
The contact owns a 2015 Volkswagen Passat. When the contact started the vehicle, the check engine warning indicator illuminated. The vehicle was taken to an independent mechanic where it was diagnosed and the following codes appeared: (u1123-0017178 data bus error, p0441-0021406 evap ignition Read details...