2014 Volkswagen Jetta: sudden loss of power

Filed Jan 1, 2026 · Transmission · CO

According to the mechanic to whom we took the vehicle, there was a massive short in the mechatronics component of the transmission. The mechanic also informed us that there was no proactive action we could have taken prior to this incident to prevent its occurrence. The car and its components are still available for inspection. The short caused the vehicle to immediately lose power while being driven between 60 and 65 mph on an Interstate Highway, and the vehicle had to be pulled over immediately. No warnings were provided before the short occurred but the failure resulted in the generation of a warning message after the fact. The vehicle had been serviced recently, including a basic inspection of the vehicle's electronics and transmission. I am unaware of the problem having been reproduced by a dealer or independent service center, but having researched the issue I discovered that other owners of similar make, model, and year numbers have experienced similar issues. Neither the vehicle nor its components have been inspected by the manufacturer, police, or insurance representatives, though, as noted previously, we did have a mechanic inspect the vehicle and faulty transmission to determine the cost of fixing/replacing the transmission. Please see Declined Jobs on attached invoice from Aspen Auto Clinic.

Filed May 10, 2025 · Engine · MO

My cars consumes oil like crazy. I'd say every week I am adding a quart to two quarts of oil. I would lose power while driving. Sometimes the car would just shut off And then it would take a few times to get it started. I was in the middle of driving when the car just completely shut off on me and it will not start at all. It will crank and sound like it's going to turn over but it won't. I've been told it's most likely a timing chain issue.

Filed Mar 23, 2025 · Transmission · TX

I was driving down the Highway at 65 miles per hour when my vehicle suddenly appeared to go into neutral and I lost power in the middle lane and almost was rear-ended. I was able to move over to the side shoulder just gliding. The vehicle starts but while driving it the transmission suddenly appears to go into neutral. The symptoms are consistent with the Recall 34J6 but when I look up my VIN it does not show any pending recalls.

Filed Mar 15, 2025 · Transmission · CA

I have a 2014 jetta hybrid. My car lost power when I tried to use it. Brought it to vw of hayward and was told it was a faulty mechatron unit. Which I paid for. I found a recall on this unit but for some reason the recall didn't cover my vehicle. That odd because it says that 2013-2015 jetta are being recall for mechatron failures (recall code 34j6). All of the problems described in the recall were exactly what happened to my vehicle. I think my car should have been covered by the recall. I don't think I shouild have to pay for this repair ($2400). This defect was known by vw and it is their responsibility to cover the costs.

Filed Feb 7, 2023 · Transmission · WA

For the Volkswagen Jetta Hybrid 2013-2015 units, a safety recall 34J6 was issued to service transmission issues that caused powertrain failure. The problem is caused by hairline fractures in the accumulator that cause insufficient transmission oil pressure (my vehicle is showing codes that this is the case). Recently, my 2014 VW Jetta Hybrid has been experiencing issues as described by the 34J6 recall. My car would lose powertrain capabilities at stoplights or if i was slowing down. It would also occasionally stop and start when it was supposed to be idling. The dealership has confirmed that my accumulator is the issue,however, my VIN number is allegedly not affected by this recall. Can an investigation be put forth to determine if this recall can be extended to be more inclusive of VIN batches that it is affecting?

Filed Dec 18, 2022 · Electrical, Engine · WA

Hello, Recently error codes P309D and 01314-013 were detected via a code reader. Translation of codes indicate Powertrain System and/or ABS ECM. The vehicle will lose power upon downshifting which requires the engine turned off and back on. Once the car reaches normal operating temperature, the issue does not occur. In addition, the Hybrid System is not available. The monitor indicates the battery is being charged. The battery will discharge power, but not to the engine. Not sure where it goes. Finally, the loss of the Hybrid System has resulted in a lower miles per gallon from 45mpg down to 29mpg. Vehicle is available to inspect. Loss of power puts me at risk. The issue has not been confirmed by an Independant source including dealer, police and insurance company. The vehicle has had transmission problems in the past. Loss of power and certain gears, specifically even gears and reverse.

Filed Oct 4, 2022 · Engine · MI

My EPC light has been coming on and off for months now. We've had it in to multiple mechanics. All of them replacing different components. The light goes off and we drive it for a few days. Then it comes on randomly and we lose power to the vehicle and have to quickly pull off the road. This has happened TWICE while on the expressway in BUSY traffic with my children in the back. And its happened countless times on county roads and side roads. We've had the Accelerator Peddle replaced, the Throttle Body, new Spark Plugs..... the list goes on. I decided to do some digging online and found a MASSIVE forum of VW, Audi owners with this same exact problem. And they are ALL explaining the dangers. I am shocked this isn't on a Recall List. The EPC issue needs to be taken care of by the manufacturer. I've included a link to that forum so you can see for yourself! https://www.cargurus.com/Cars/Discussion-t23523_ds493841

Filed Dec 3, 2021 · CO

The transmission stopped working leaving the vehicle to suddenly lose power. My safety was put at risk trying to cross a busy intersection with no way to propel forward. The dealership is aware of the issue.

Filed Nov 29, 2021 · Transmission · UT

Without any warning, the clutch failed to engage with the transmission. There appeared to be sudden loss of power to the wheels, which left the car inoperable. Upon encountering this issue, we had the vehicle towed to a local VW service center. They proceeded to do an inspection of the vehicle and recommended replacing the entire transmission given issues with their mechatronic units. As we later discovered this is an issue that VW is aware of. Recall 34j6 regarding the mechatronic unit and transmission. I called VW Customer Care and they refused to cover any cost associated with the recommended transmission replacement from the service center. Given that this is a known defect, I'd like VW to stand behind their product and cover the cost of repair, which was estimated at around $9000.

Filed Aug 3, 2020 · Electrical, Engine · 68,000 miles · NH

Epc warning light came on suddenly; vehicle throttled down and continued to buck and stall out; loss of power and speed. Very dangerous while in traffic. No specific diagnostic code(s) were saved or triggered. This causes costly and unneeded diagnostics and repairs

Filed Nov 25, 2019 · Engine · 65,000 miles · NJ

Car shuts off while driving on highway. Lost all power. Pulled over, placed in park, and then the car started. Engine light stayed on. Happen multiple times. I don't feel safe driving this car

Filed Oct 31, 2019 · Electrical, Engine · 90,000 miles · CA

Dealer issued keys are impossible to turn when attempting to turn off engine in stationary/park position. Have to flick key forward causing a power surge to shut the engine off. Process is getting worse, now fuel light is on stating that my fuel sensor is broken. Car has lost power when accelerating as well. This is all connected to the power surge needed to shut the car off. Dealership states, there has not been a recall for this type of issue, it will cost me upwards to $1000 to fix ignition cylinder. It looks like it's one of the only issues with this vehicle and is known by the dealerships. Dealership only advises to purchase new vehicle with "push to start." this will be our first and last vw.