UNKNOWN but I believe the sealed transmission is malfunctioning

- Decatur, GA, USA

While driving the car electrical system will lose all power and reset. This happens often.

- Woodland Hills, CA, USA

Fourth time I had submitted this text so this one will be vague. I've had to Repair my stuts and shocks and brakes to my vehicle due to ongoing issues with tires while divingand hitting small speesbumps and potholes. I did replace low performance tires and still was an issue with my struts and shocks when I drive causing me to hit a bump or a small hole and diverts me to the next lane of ongoing traffic also I had to my battery replaced twice. To find out that it was only due to corrosion and the battery cables slipping was frustrating cause I did replace the battery and key fob battery already. Car wouldn't start and when it did it took forever hours to restart and engine still seems to get bogged down In ongoing traffic. Which was the prior issue no power no matter how hard i press the gas. I took to autozone and they did a reading which came back that everything was okay including the battery which was obviously not okay. It was leaking fluid and i have already replaced year and half ago due to same issue. They cables seem to slip over time on its own. What to do? Thank you for your time to look into this issue. Kindest Regards

- Indianapolis, IN, USA

Had a new catalyst converter installed new up steam down steam 02 sensor and it say Catalytic converter system is below threshold bank one had numerous parts put on and the engine light won-??t stay off I don-??t have a lot of money to keep fixing it the light goe out for a couple days come back

- Syracuse , NY, USA

The 2014 Chevy Impala is dangerous. When the rocker arm control valve and related parts fail or the camshaft solenoids and sensors fail the car will drive rough and eventually just cut off in the middle of traffic highway or residential. This is what it did on me, putting me in a very dangerous position. The economic loss is still devastating financially as all 2.5 and 3.6 engines arent covered by GM special warranty but they should be all covered. My VIN number was not included when it should be.

- Akron , OH, USA

When pulling up to a stoplight the car would often downshift, surge with power, and nearly overpower the brakes. The car started losing oil from its rear main seal. When I finally had the seal replaced the repair shop found that pieces of the thrust bearing were laying in the oil pan. The engine and transmission had to be removed from the vehicle in order to replace the thrust bearing. They showed me a box full of parts, but I did not keep any.

- Odell, IL, USA

5th cylinder misfire caused by broken valve. Also not shifting right caused by transmission solenoid

- Saginaw, MI, USA

It was a recall issued in 2014 for stabilitrak for bad grounds on my Chevy Impala and I went to Chevy about it and paid for the diagnostics to check and they told me it was the transmission that I needed. Also, the paper doesn't tell me I needed a transmission fixed, so I took it to 3 different transmission shops and they said it was the ground that was bad. But I was not paying for it and it was a recall issued in 2014 that is happening and is happening to several others as well. I called the GM and asked if its anything they can do about it since it was unde recall they are saying no. And the I have to go pay for diagnostics again so they can see what it is because it may not be same and I did before and Chevy said it was the transmission and the other shops said the transmission is in great shape it was the grounds thats bad and that if the issue was under a recall it should be done again. I take this as safety issue and it puts me and my family in danger and it is my only transportation. So I have my son picking me for work.

- Madison, AL, USA

Car lost power and engine went out. Stability track in on.

- Oceanside, CA, USA

I was driving to my sister's house on Sept. 27 2020. When my car started making a loud noise from the engine and I noticed the engine light came on. I pulled over called my husband, when he got there he opened the hood and noticed the catalytic converter broke completely off my engine. We managed to get to a friends down the road for the night until we able to get it towed to the dealer's the next day. When I called the and told them what happened they told it was my fault that I must of hit something to make fall off. I do not have any other underneath my car, I tried to tell them this was a safety issue and that I could have possibly burned to death in my own car if I hadn't of pulled over upon hearing...thankfully I was in an area where I could pull over. I did call GM also they to said it was my fault and or weather conditions. I told them it was not my fault I did not hit anything and weather have nothing to do with it, bottom line is that part should have never fallen off to begin with. Because it did fall off I felt it should have been covered under warranty on your website I noticed you already have a primarily investigation going on this matter complaint # pip5419B

- Athol, MA, USA

The contact owns a 2014 Chevrolet Impala. The contact stated that when his brother pulled into the driveway, the vehicle shutoff without warning. The vehicle was shifted into park and restarted. Jerry's Cadillac (3118 fort worth hwy, hudson oaks, tx 76087 (817) 382-9412) was called and a pending appointment was scheduled. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 113,000.

- Whetherford, TX, USA

Vehicle is idling hard on start ups and shutting off when brake. Restarts but will shut off again when I brake.

- Lexington, KY, USA

Took my vehicle in for its regular oil change. A few days later, the car started driving funny. I notice that when I went to accelerate that the vehicle started shaking. After it happened a few more times within that same week, my check engine light came on. I decided to take it back to the Chevy dealership where I had the oil change, not before calling the service dept. Several time in the week to voice my concerns. I was told to bring the vehicle in and have them check my oil level to make sure all was well. I told them what I was experiencing and that the check engine light was on and asked could they re-check my oil level. The service advisor checked and said that the oil was fine. She then suggested that I pay $112.48 dollars for a diagnostic test, because that would be the only way to determine why the check engine light was on. I did! only for them to tell me that it was P2645 intake rocker arm control circuit solenoid. Then she game me a quote of $407.35 to fix the problem. I was then informed that I had to pay for the part upfront before anything could be done and on top of that, this part was on back-order and that it would take weeks to fill the order. I need to use my vehicle to get around and this was not safe to drive! this was over 2 months ago. I then turned to the internet to do my research only to find out that is a faulty part from the GM manufacture. And GM was not willing to replace the part even after they place this part in my vehicle knowingly that this was a defected part and that down the road it would be faulty, not only in my 2014 but the 2015 Chevy Impala's and the Chevy Malibu. This is not right and GM need to correct the problem. I am paying for a car for the last 2 months that I cant even drive! shameful GM!

- Nashville, TN, USA

My car was taken to be inspected by courtesy Chevrolet. They clearly documented that I did have a problem with the catalytic converter. There has been past safety recalls on the catalytic converter cracking. According the document that I was given it clearly states that it was a welding failure. The part that is currently on the car is the original part that was put on the part when it was being made. I have been trying to get the issue fixed however everyone says that its a factory problem and should let them fix this. My car is starting to wear out the longer I wait and need for the problem to be corrected by GM.

- Phoenix, AZ, USA

Engine variable timing solenoid failure. Currently no parts available due to extremely high failure rate and not currently creating new parts. Leaving the car lacking acceleration and at risk for possible internal damage. Failure at speed over 4000 RPM.

- South Hutchinson, KS, USA

I was driving my car and it loss power. The check engine light came on. I took it to nelson hall Chevrolet in meridian, Ms. They told me that I needed an exhaust solenoid part number 12633613. It was sitting there at the Chevy dealer for a month and a half. They told me to come get it because they didn't have the part to fix it and they didn't know when the part was going to be available. I have been in contact with GMC since December of 2019. GMC doesn't know when the part will be available. I can't drive my car!! when I spoke with GMC last, they told me they would be giving me a call back in 24-48 hours. It has been 3 months and GMC will not return my calls. My car is still broken as of today March 18, 2020. This is unacceptable!

- Decatur, MS, USA

The contact owns a 2014 Chevrolet Impala. The contact stated that while driving at various speeds, the engine misfired and the vehicle stalled with an unknown warning light illuminated. The vehicle was taken to david Chevrolet Buick located at (10225 niagara falls blvd, niagara falls, NY 14304), to be diagnosed. The contact was informed that the rocker arm and control valve solenoid needed to be replaced. The vehicle was not repaired due to parts being on back order. The manufacturer was notified of the failure. The approximate failure mileage was 91,000.

- Weaver, NY, USA

Around 100,000 miles (about 5 years old) I started receiving a side detection system warning and ignored it for a couple of months because I didn't feel like I was dependent on the blind spot warnings. One morning I started my vehicle and I got an error message for about every sensor on the car. The car started it but the engine was running rough. Luckily, I was able to make it to a mechanic. They found out that the electrical system was shorting out due to the bad side detection system sensor. I had to pay almost $750 to replace the bad sensor. The worst part is now about 18,000 miles later, I'm getting the same side detection system error. It must be a serious design flaw if the replacement part is lasting less than 20,000 miles and less than year. Now, I have to balance wasting another $750 versus my electrical system shorting out due to the failing sensor - hopefully, this shorting out doesn't occur during heavy traffic and cause an issue. A few simple internet searches shows that many car owners are having this issue, I can't believe the government doesn't force Chevy to issue a recall.

- Rochester, MN, USA

My 2014 Chevy Impala misfires while driving and loses and regains power while driving. I took it to a mechanic and it is the rocker arm control valve solenoids. I did some research it this is a known issue for 2014/2015 Impala and Malibu's. this is very unsafe and can cause accidents. Also, this part has been on backorder for several months so owners are having to drive with check engine light on. This should be a recall.

- Simpsonville, SC, USA

2014 Chevy Impala needs a rocker arm oil control valve part# 12633613. GM says there is no eta on the part but dealer says part is not being produced. Check engine light stays on, the car stutters during motion also will shake suddenly. Also, has a lack of acceleration.

- Dayton, OH, USA