Home · 2021 Volkswagen Jetta Hev · Complaints

What 66 owners told NHTSA about the 2021 Volkswagen Jetta Hev

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (66)Crash / fire / injury (3)Brakes (25)Electrical system (12)Fuel system (9)Driver assistance (8)Engine (5)Airbags (4)Lane Departure (4)Visibility & wipers (4)Seat belts (3)Steering (3)

4 of 66 complaints match · Lane Departure · clear filters

Jul 1, 2026Electrical systemLane Departure

Volkswagen corporate deployed a mandatory over-the-air (OTA) software update to the MIB3 infotainment system. The update failed mid-installation, entirely bricking the J794 information module. This failure completely disabled vital driver information systems, including the digital dash compass, all audio alerts, and driver notification tones while the vehicle is in motion. This represents an immediate, manufacturer-initiated distraction and safety hazard that disables cabin instrumentation.

NHTSA ODI 11747680

Jul 30, 2024Lane Departure

The contact owns a 2021 Volkswagen Jetta. The contact stated while driving at various speeds in a designated lane, several messages advising that the vehicle was out of the lane were displayed. The vehicle made an abnormal beeping sound and slightly pulled to the right or to the left. The contact stated while driving 30 MPH, the failure recurred. Additionally, the steering wheel forcefully jerked to the left, towards oncoming traffic, causing the contact to temporarily lose control of the vehicle. The contact was able to steer the vehicle back to the lane and continued driving. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not notified of the failure. The failure mileage was approximately 1,000.

NHTSA ODI 11605476

Dec 28, 2023Lane Departure

The contact owns a 2021 Volkswagen Jetta. The contact stated while driving approximately 60 MPH, the contact observed that the blind spot monitor and the Lane Keep Assist warning lights were illuminated. The contact stated that the failure was a second failure to the system. The contact had previously taken the vehicle to a dealer and the sensor for the blind spot monitor and the Lane Keep Assist warning had been replaced once before. The contact had taken the vehicle back to the same local dealer, where it was diagnosed and determined that the blind spot and Lane Keep Assist sensor needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 35,000.

NHTSA ODI 11562293

Mar 22, 2022Electrical systemLane Departure

When I started the car an alert came on the said the door there was a driver door contact switch error. When I was trying to back up the emergency brake came on. The door was closed. There was an electric parking break error. Also a start stop error. When trying to go forward the parking brake kept coming on. I was going 10 mph and the e brake engaged and would not let me out unless I turned off the car and turned it back on. When I brought it to the dealership they ran tests on it and they said it was the door wiring harness. There is problem with it and IT IS NOT SAFE TO DRIVE. When driving around corners it also has a tendency to want to depart you from the lane. It will try to kick you out of the lane even if you are in the middle of the lane. It has done this around corners and when driving straight. It caused my sister to be driven off the road. This has been brought to the dealerships attention and they found a problem with the lane departure and told me that they could fix it and then they came right back and told me that there was nothing wrong with the car.

NHTSA ODI 11457912

Working with the data? Download all 66 complaints as CSV · fetched from NHTSA July 26, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2021 Volkswagen Jetta Hev verdict →