Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2019 Toyota Corolla owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2019 Toyota Corolla. The contact stated while driving at 60-65 MPH, the vehicle shut off and lost electrical power. All the instrument panel warning lights including the lane departure assistance warning light illuminated. The contact was able to veer to the side of the road. The vehicle failed to restart. The contact then refilled gas in the vehicle with assistance and was able to restart the vehicle. However, the failure reoccurred while driving and the vehicle failed to restart after several attempts. The vehicle was towed to an independent mechanic but was not diagnosed or repaired. The contact was able to restart the vehicle and drove to his residence. The contact stated while at a complete stop, another vehicle driving at 45 MPH crashed into the rear end of his vehicle. The air bags failed to deploy and the seat belts failed to engage. …
As I was driving my check engine light turned and also another message saying "Drive-Start control malfunction". A few second after another light came one showing "Engine coolant Temp high. On 11/24/24 I experienced this mechanical failure as I was driving. I was driving behind another car, where my car suddenly lost power and randomly accelerated almost causing me to crash behind the car in front of me. Thankfully I had time to press on the brakes to prevent me from crashing. I also did some research to see if other drivers also experienced this fault and seems that a lot of people with these Toyota Corolla and RAV4 models. I also found that an active lawsuit is ongoing against Toyota regarding this same issue. This definitely should be something that needs to be recalled as it puts our lives at risks to either crash or even catch on fire due to overheating. …
Fuel is not filling up all the way. Fuel has once splashed out when stopped automatically. Used to have around 445 miles per tank, but now around 395. It had started around 59000 miles. I have had the dealership inspect and see if their were engine codes but there weren't any. The time and care shouldn't stop just because the check engine light isn't on as it may be a safety or mechanical issue in the future. I would like my car to be looked into as it may be in line with the fuel pump issues on the 2018 Camry, a family member owned one that was recalled for a fuel pump replacement so maybe a Corolla wouldn't be to uncommon as well to have a know problem from the same company. I present with the utmost respect and hope I can get assistance and guidance on this minor issue as of now. Thank you for taking the time to read. Best Regards, A Toyota Corolla Hatchback Owner.
I got a "Engine Maintenance Required" warning message. I check with the dealer, the dealer inspected and told me about a faulty coolant bypass valve which the dealership told us a common problem for Toyota RAV4 and Corolla. The dealer did a diagnostic and found that engine coolant bypass valve circuit short to battery - (P268115). They asked me to order the part. A faulty coolant bypass valve risked my vehicle of a failure of the cooling system and so the engine. I had to pay $113.40 for the diagnostic and $331.75 for repair. Since it is a common problem, the manufacturer has to recall and replace the faulty part and pay the cost of the part and labor for replacing the faulty part.
I am up to date with all my maintenance but at 67k miles I had a message stating "Engine Maintenance Required" message on my dashboard. I took it to the dealership and they identified the cooler bypass valve needed to be replace, apparently this is a common issue and has not been addressed by Toyota. Plus it's difficult to find the part that needs to be replaced. There was no check engine light, and everytime I turned on the AC the engine maintenance required message would pop back up. If this is a known issue Toyota needs to make this issue public and parts available.
I got a "Engine Maintenance Required" warning message. I check with the dealer and upon diagnosis told me about a faulty coolant bypass valve which is a common problem for Toyota RAV4 and Corolla. The Toyota Mechanic mentioned that this should have been a recall issue. The cost to repair was unbelievable considering it will take only a short time to do. BOught the parts and will have it installed somewhere where the labor is cheaper. Since it is a common problem, the manufacturer should recall this issue, replace the faulty part and pay the cost of everything.
Error message that said 'drive start control malfunction. Took 6 mos and numerous attempts to resolve. Replaced numerous parts including the fuel pump because the plastic it's made out of was just disintegrating and and cracking. This has cost thousands of dollars in parts and labor. Also getting a msg on info screen 'connected device not supported' now. Apparently toyota did an update and there was a bug in the program yet I have to pay to fix their error to the dcm.
I was at a red light. When the light turned green and I pressed the accelerator the car wouldn't move. The check engine, charging system malfunction and electronic power steering system warning light appeared on dash. Car locked up. I moved car into neutral and then drive and car was able to move. Took it to dealer next day. Cars almost ran into the back of me! I had just turned on the street from I-85! So far it hasn't been reproduced at dealer.
Engine coolant bypass valve circuit short to battery or open - code P268115 Engine maintenance alert light appeared after (a day after, and then would not be on, and sometimes turn on, erratic maintenance message) I brought car in for scheduled engine maintenance per Toyota. The Toyota technician advised me to immediately take care of it but does not have the part in stock. This is the Toyota Dealer service in Manhattan Beach, CA.
Engine Coolant Bypass Valve faulty. Charged $176.95 for the dealer to diagnose what is already known issue. The dealer wanted $663 to replace the part. Toyota knows about this issue yet acts like they had to perform $176 diagnose. The car never blew any codes CIL and they say that this particular part doesnt cause a code but had to use a " special" diagnose tool.
Engine complaints in other Corolla years
Frequently asked questions
How common are engine problems on the 2019 Toyota Corolla?
NHTSA has 39 complaints about the engine & cooling of the 2019 Toyota Corolla, 19% of the model year's 205 complaints.
Is there a recall for 2019 Toyota Corolla engine problems?
No. NHTSA lists no engine & cooling recall for the 2019 Toyota Corolla, though it has 6 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 2019 Toyota Corolla engine problems start?
Half of the complaints with a recorded mileage happened before about 10,000 miles, and 100% before 25,000 miles.
Is it dangerous?
Owners linked 1 crash, 0 fires and 3 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.