This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
P2646 diagnostic code - rocker arm control solenoid In June 2020, GM issued "Special Coverage Adjustment N192289160 Rocker Arm Oil Control Valve Inoperative" for the coverage of the repair for rocker arm oil control valve, (OCV) for 10 years after the purchase date, or 120,000 miles for the 2014 Malibu and Impala. However, our vehicle had the failure at 122,000 miles. The Special Coverage should be adjusted, or even transitioned to a full recall since the parameters of the initial bulletin are insufficient.
The contact owns a 2014 Chevrolet Malibu. The contact stated upon starting the vehicle, the check engine warning light was illuminated. The vehicle was taken to an unknown dealer where it was diagnosed that the failure was associated with the battery. However, the battery was not replaced. The contact stated while driving 35 MPH, the vehicle would not properly shift into gear, decelerated independently, and stopped. The contact was able to restart the vehicle however, upon moving the gear shifter into drive(D), the vehicle failed to respond. The contact then moved the gear shifter to park(P) however, the vehicle rolled away and struck a tree. The air bags did not deploy. There was no injury sustained. The vehicle was towed to the residence. The vehicle was not repaired. The manufacturer was not notified of the failure. The contact was awaiting a call back from the manufacturer. The failure mileage was approximately 120,000.
My car is throwing a rocker arm valve code but chevy is saying its not covered under the NHTSA program that was passed. Its a 2014 chevy malibu 2.5 L with 93000 miles on it. It causes the auto stop to malfunction and the car will completely shut down when stopped. It will not restart at all. Have been almost hit 3 times at major intersections.
Since we purchased 02/2016 Chevy Malibu the engine light has been on and off and the dealer has fixed the problem many times and still has the same problem. I noticed the gear is weak specially when I'm on the freeway
- Canyon Country, CA, USA
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This has happened twice now, once for my wife and the second time I was driving. Both incidents happened while in motion on the highway and the vehicle display showed reduced engine power and the vehicle de-rated and slowed automatically on the highway. The check engine light displayed and after connecting a code reader to the obd and code P2138 was logged which is potentially a faulty throttle position sensor/ foot gas pedal. I replaced the throttle position sensor cleared the stored code and a couple weeks later the vehicle again went into limp mode and de-rated on highway. The check engine light came on and the same code P2138 was logged indicating voltage difference between app sensor 1 and app sensor 2 of the throttle positioning sensor. After further research on line I found that a GM service bulletin was issued for potential moisture intrusion of the connectors from the throttle position sensor to the ECM. (see attached) it seems like my vehicle is experiencing moisture in the connectors as both incidents happened within minutes of taking the vehicle through an automatic car wash. In my opinion this is a safety concern for this model vehicle to de-rate and slow down suddenly at highway speeds with cars following behind and has been a known issue by GM and should have a recall issued.
Driving down freeway about 70 mph when all of a sudden I hear a chime then engine seems to downshift but it actually reduced speed quickly. I look up at dash and see that it says, 'engine power is reduced'. I then notice to the left of dash that the engine pic is lit up. I put my hazard lights on and exit the freeway right away. What I would normally do is open up the owners manuel and find out a little more to what's going on. I just purchased the car and it didn't come with one. I decided to take side streets the rest of way home. When I got home I shut car off then started it up again and it still had the same message.
On 7/5/20 the vehicle was in motion going down the highway and the high pressure fuel pump mounted on the engine broke lose, dropped into the engine and tore apart the engine. Was towed and fixed by closest GM dealership (deery brothers, West burlington, ia). There is a recall for a bad weld on the high pressure fuel pump for 2016-2018 Malibu's resulting in the exact issue I had on my 2014. The dealership said GM, Chevrolet and the dealership (which is a GM certified dealership where I bought the car certified pre-owned in 2018) said they all bared no responsibility for the issue. I paid $3,128 for the repair on 7/17/20. Two days after bringing my car home, there is an oil leak that was never there before. The dealership says this is a hole in the oil pan, and again is my responsibility to pay for in full to be fixed. I received a letter from Chevrolet on 7/16/20 saying there is a recall for my VIN # for an oil pressure valve. Incorrect oil pressure could have caused the high pressure fuel pump to explode causing the issue on 7/9/20. I do not believe that between the two recalls issued by Chevrolet for my car model I should be responsible for the full weight of the repairs on a car that was purchased certified pre-owned with a warranty two years prior, not to mention I've had all regular services done in a timely matter at the same dealership, that has under 90,000 miles and is only six years old. There is no reason for such extensive engine damage to such a new car with no previous issues.
This car allows you to shift to reverse, neutral, drive, etc. Without putting your foot on the break. You can shift to park while you are driving down the highway.
Mechanic stated my transmission is going out. At 93,000 miles this should not occur. My car needs repair almost every month. Took to Chevrolet dealership and was told that I had metal shavings in my transmission. Then was called back stated I dont. Now another mechanic stated my transmission is going out
Have been needing a repair but the part has been unavailable for months. We need the oil control valve and part number 12633613. GM does not know when the part will be available, so no way for the car to be fixed.
Vehicle has had failed oil arm rocker valve (part# 12633613) since October 2019. GM has advised they do not know when this part will be available, and has no other resolution to provide except to wait and that they are sorry for inconvenience. Check engine light illuminated means it will not pass emissions testing in ct (or state inspections in a lot of other states). Car is not usable because of this, some power loss issues being experienced at highway speeds. GM has not offered any resolution other than $2500 off a new GM vehicle. Will not assist further and state that there is no eta for replacement part. Car not serviceable and GM will not resolve.
Was driving at about 55 mph on a state road, engine light came on the car slowed down to about 30 mph in giving gas the engine ramped up but would not accelerate. Pulled over and stopped. Turned off the ignition waited a few minutes then turned the ignition on again. The car would not accelerate. Was able to get it to a dealer where it was diagnosed as needing transmission work. It is at the dealer now 12/13/19. The car has 92,000 miles on it bought it brand new in 2014.
My mother was driving the car on the highway doing 70 miles car lost power and wouldn't go over 35 miles on her way to work check engine light came on almost got hit by several cars that were doing 70 miles due to the car will only go 35 miles on the highway she immediately pulled over on the side of the highway I came and brought a bluetooth scan tool the scan tool came back with these two codes P0700 P0776 which were transmission codes and just like other similar complaints from the other comments my mom almost got rear-ended several times because of this and from what I've youtube and see on this site that seems to be a pretty common issue with those cars and their transmissions that definitely needs to be recalled my mother had to pay $4,000 to get her transmission rebuilt we bought the car brand new and it was shifting rough just like the other complaints were talking about on this site we went to the dealership they told us it was normal but that's what all of those cars do is shift rough I told them that didn't sound normal to me and if they could please change the transmission fluid they said it wasn't time yet the car only had 20,000 miles during that time framewe still argue with the guy he told us find will change the transmission fluid but I'm telling you it's normal we got our receipt back and all they did was oil change never even touched the transmission we took it to a transmission shop they told us the transmission was shot and needed to be rebuilt the fluid was black the transmission shop told us it should have been read when the transmission went bad it had 60,000 miles on it then please do an investigation on the 2014 Chevy Malibu transmissions there is definitely an issue there that I believed could cause an accident especially on the highway
My wife was doing 70 down one of our busier country roads in Michigan and the check engine light came on followed by an engine power reduced message causing the car to decelerate down to 30mph causing cars to swerve and go around us. She could have been rear ended and extremely hurt becuase of this.
The contact owns a 2014 Chevrolet Malibu. While driving, the gear selector flashed, and the vehicle hesitated and stalled. The contact turned off and restarted the vehicle. The vehicle was driven to cox Chevrolet (2900 cortex rd w, bradenton, fl 34207) where it was diagnosed that the transmission module failed and needed replacement. The vehicle was currently being repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 54,000.
This car has the auto stop feature which cannot be disabled. When I'm stopped and the auto stop engages, the car will no longer automatically restart. I have to put it in park, wait up to a minute or two, sometimes more and then it will start. Have talked to Chevy dealer service, got no help. Went to 3 independent repair shops, ran codes but nothing showed up. One time I did get a check battery charge system warning. Battery is fairly new and checks out fine. A code came up to replace the valve timing solenoid which we did but still this autostop problem persists. I am afraid to drive this car because I could get rear ended in stop and go traffic, I get temporarily stranded at intersections and people behind me are not always understanding.. called GM headquarters today- was told to take it to a dealership. I called a Chevy dealership, they didn't have any idea what could be wrong. I can't afford to keep taking it in to shops and get no answers. One shop said they've seen several cars with this issue, they couldn't diagnose it. The car is dangerous because it stalls. I don't know what to do.
The contact owns a 2014 Chevrolet Malibu. While driving 70 mph, the vehicle stalled without warning. The driver was able to coast the vehicle over to the side of the road and waited a minute before restarting the vehicle. The vehicle was restarted, but hesitated to drive. The vehicle was driven to the contact's residence and then taken to an independent mechanic the following day. The mechanic diagnosed that the transmission system and control valve needed to be replaced. The vehicle was not repaired and was not taken to a dealer. The manufacturer was not notified of the failure. The approximate failure mileage was 144,000.
The contact owns a 2014 Chevrolet Malibu. When the contact attempted to shift from park into drive while on an incline, the vehicle failed to accelerate. The contact had to constantly wait to ensure that the gear properly changed over. Bob bell Chevrolet (1 kane St, baltimore, md 21224, (443) 407-1778) inspected the vehicle, but was unable to replicate and diagnose the failure. The contact stated that the vehicle shut off intermittently and there was a progressing false start failure. The vehicle was taken to cox Chevrolet (2900 cortez rd w, bradenton, fl 34207, (941) 749-2699) to be diagnosed, but the cause of the failure was not determined. The vehicle was not being driven frequently due to the risk of the gear not shifting and the vehicle intermittently stalling. The vehicle was not repaired. The manufacturer was notified of the failures. The failure mileage was not available.
A D V E R T I S E M E N T S
- Hutto, TX, USA