Defroster/defogger/hvac System Problems of Volkswagen Jetta

The contact owns a 2019 Volkswagen Jetta. The contact stated that after the vehicle was taken to the dealer for a software update; after the software update was performed, the hvac system failed to operate as designed. The contact stated that the heater would temporarily operate to a set temperature and then the system would then become inoperable. The contact was concerned about the extremely conditions and driving the vehicle without heat. The vehicle was taken to the dealer however, the mechanic was unable to retrieve a fault code. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 40,000.

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The contact owns a 2014 Volkswagen Jetta. The contact stated that the heater and the defroster were inoperable. The vehicle was taken to an independent mechanic, where the heater core was replaced; however, the failure persisted. The vehicle was taken to another independent mechanic, where it was determined that the vehicle was designed with a silica bag near the coolant reservoir, and the silica bag had ruptured, causing silica to leak into the engine compartment and to clog the heater pipe. The mechanic was able to flush out a significant amount of silica; however, the failure persisted. The contact stated that she resided in a small country area, where it was significantly cold, and the defroster and heater failure had reduced the contact's ability to see the roadway while driving in cold weather and to remain warm inside the vehicle. The dealer was notified of the failure and informed the contact that all the compromised hoses, pipes, and parts might need to be replaced; however, the vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 100,000.

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The contact owns a 2019 Volkswagen Jetta. The contact stated that the front windshield defogger failed to defog the windshield and the coolant level never reached normal operating temperature. The contact took the vehicle to bill jacobs Volkswagen (2211 aurora Ave, naperville, IL 60540) however, the failure was not diagnosed. The dealer acknowledge that there was an issue with the vehicle. The manufacturer was contacted and a case was opened. The approximate failure mileage was 10,000.