Electrical System Related Problems of the 2018 Volkswagen Passat

Table 1 shows four common electrical system related problems of the 2018 Volkswagen Passat. The number one most common problem is related to the electrical system (seven problems). The second most common problem is related to the 12v/24v/48v battery (one problem).

Table 1. Electrical System related problems of Volkswagen Passat


Recently reported Electrical System problems of the 2018 Volkswagen Passat

The Electrical System problem

A major engineering and material design failure occurred involving internal fluid containment seals, resulting in a severe electrical safety hazard. Pressurized engine coolant breached an internal component seal and began migrating internally directly through the vehicle's engine wiring harness via   Read details...

The 12v/24v/48v Battery problem

The contact owns a 2018 Volkswagen Passat. The contact stated that while driving at an undisclosed speed, the vehicle stalled. There was no warning light illuminated. The vehicle was unable to restart and was towed to the dealer to be diagnosed. The vehicle was diagnosed with battery failure.   Read details...

The Horn Assembly problem

Tl-the contact leases a 2018 Volkswagen Passat. The contact stated that the vehicle horn does not work when the engine was off. The contact attempted to advise a vehicle that was reversing into a parking space and was moving into close to the contact front bumper, and the contact found that the   Read details...


Electrical System related problems in other Volkswagen Passat model year vehicles:



Passat Service Bulletins
Passat Safety Recalls
Passat Defect Investigations