Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2015 Chevrolet Malibu owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2015 Chevrolet Malibu. The contact stated that while driving at various speeds, the check engine warning light and the message "dual battery" were displayed. The vehicle was taken to an independent mechanic who diagnosed that the fuel saving battery was faulty and needed to be replaced. The battery was replaced however, the failure persisted. The mechanic then diagnosed that the fuse block was faulty. The fuse block was replaced and the failure was remedied. The manufacturer and local dealer were not notified of the failure. The failure mileage was 127,000.
The contact owns a 2015 Chevrolet Malibu. The contact stated while driving at 60 MPH, the vehicle started jerking with the check engine warning light illuminated. The vehicle failed to accelerate properly while driving to the residence. The contact took the vehicle to the local dealer to be diagnosed. The contact was informed that the rocker arm oil flow control valve was inoperable and needed to be replaced. The local dealer replaced the part and the vehicle was repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 91,500.
The contact owns a 2015 Chevrolet Malibu. The contact stated the vehicle failed to start without warning. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 82,496.
While driving my 2015 Chevrolet Malibu on a four-lane highway with a posted speed limit of 70 mph, the vehicle displayed an "Engine Power Is Reduced" message and limited the vehicle to less than approximately 25 mph. This created a serious safety concern because the vehicle could no longer maintain highway traffic speed, resulting in a significant speed differential of nearly 45 mph below the posted limit and surrounding traffic flow, creating a high risk of being struck by other vehicles. The vehicle also experienced an alternator problem while being driven on the highway. It repeatedly acted like it was not getting enough power to maintain the speed of surrounding traffic, and we had to pull over on the side of the road. The vehicle has also had an engine-related issue discovered during repairs. …
This 2015 Chevy Malibu has been serviced over 10 ten times for a stalling/check engine issue(s). Sometimes the check engine light will activate after stalling and other times it will not. This vehicle has only had 1 owner since the initial purchase with on-star showing all the times/dates that a problem was detected and reported via email (on star). The dealership has had ample attempts to fix the issues with the vehicle, as well as private ASE certified mechanic/shop after the issues continued with this problem vehicle. This vehicle is a lemon, it is not dependable, and the stalling issues seem to be an on-going issue with GM Chevy Malibu. On 05/15/2021 while in Natick Massachusetts, I was almost rear-ended after my vehicle stalled in traffic and I could not get to the BDL. As quickly as the vehicle stopped working, I was able to restart the vehicle and move it out of the road. …
The transmission and engine fails repeatedly. The vehicle repeatedly stalls while accelerating at all speeds, simultaneously, the gear shift lights,dash lights, radio, etc restarts. Issue also happens when shifting gears. Issue happens at every stop light and stop sign, when the vehicle is engaged in 'auto stop'. The vehicle has been in and out of the repair shop since 2022 for TCM/ECM failure. The vehicle has been inspected by Chevrolet twice and other repair shops. Problem persists and the vehicle is not safe to drive. The vehicle has to be jumped daily in order for it to work even after purchasing several batteries and alternators. Warranty company, SilverRock, denied claim. When shifting gears, the warning message states 'power steering' and all of the car lights disappear and the vehicle stalls. These issues appeared 31 days after purchase in May of 2022.
I was driving back home from Harrisburg, PA on the highway traveling at around 72 mph and my car dashboard said Engine Power is Reduced speed Reduced to 45 mph and it instantly slowed to that speed. It took quite a while to find a place to pull of to the side of the road because of the area I was in. It was quite frightening because everyone else is going the actual speed limit of 70 mph or over. By the time I found a place to pull over my car was reduced to less than 25 mph. As usual, I turned off my car, waited for a bit and then turned it back on, it still said Engine Power is Reduced, so I turned it back off and waited again. I turned it back on and it still said Engine Power is Reduced so I had to turn it back off again and wait. I turned it back on and it was fine again.
I was on the highway traveling at around 68 mph and my car dashboard said Engine Power is Reduced speed Reduced to 45 mph and it instantly slowed to that speed. Fortunately I was able to pull of to the side of the road quickly and I turned off my car, waited for a bit and then turned it back on, it still said Engine Power is Reduced, so I turned it back off and waited again. This was at night, in the dark and it was not a pleasant experience to be pulled to the side of the road with your hazard lights on while traffic just buzzes by and your vehicle is disabled. This happened three times in one day during one trip. It's absolutely ridiculous and numerous other people have the same issue.
I was driving to Harrisburg, PA on the highway traveling at around 68 mph and my car dashboard said Engine Power is Reduced speed Reduced to 45 mph and it instantly slowed to that speed. Then it counted down very quickly to 35 and then 25 before I could find a safe place to pull off to the side of the road. I turned off my car, waited for a bit and then turned it back on, it still said Engine Power is Reduced, so I turned it back off and waited again. I turned it back on and it still said Engine Power is Reduced so I had to turn it back off again and wait. Sitting along side the road on the highway is not pleasant. I turned it back on and it was fine again.
The car is stalling upon acceleration, which causes a jerking sensation. It has been diagnosed as an Intake Rocker Arm Solenoid Valve (oil). I have researched and notice that this has been a recall on previous models such as the 2014 Chevy Malibu. I don't understand why the 2015 Malibu would not be included in this recall. I am preparing to have this item fixed at the dealership, fearing that if I don't I could have an accident. The dealership is not inexpensive and times are hard. This is a hardship for me trying to pay for these repairs. I feel that Chevrolet/GMC needs to do something about this situation. Obviously, the problem is still not fixed.
Engine complaints in other Malibu years
Frequently asked questions
How common are engine problems on the 2015 Chevrolet Malibu?
NHTSA has 71 complaints about the engine & cooling of the 2015 Chevrolet Malibu, 26% of the model year's 270 complaints. The component named most often is cooling system › pump (1 mentions).
Is there a recall for 2015 Chevrolet Malibu engine problems?
No. NHTSA lists no engine & cooling recall for the 2015 Chevrolet Malibu, though it has 3 recalls for other components. If the problem is widespread, a repair may still be covered by an extended warranty or a manufacturer service bulletin — ask a dealer.
At what mileage do 2015 Chevrolet Malibu engine problems start?
Half of the complaints with a recorded mileage happened before about 70,000 miles, and 17% before 25,000 miles.
Is it dangerous?
Owners linked 0 crashes, 3 fires and 0 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.