Complaint volume
300 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
Complaint records
300 consumer-submitted complaints on record for the 2020 Toyota Corolla, grouped by component category.
Buyer interpretation
Complaint records are most useful when they turn into inspection points, seller questions, and comparison checks against nearby model years.
300 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
The most common categories are engine, unknown or other, power train. Use those categories as a test-drive checklist instead of judging the vehicle from the total count alone.
Enriched records include 22 crash reports, 1 fire report, 15 injury reports, and 1 fatality report. These fields come from complaint records and should be read in context.
Mileage is available on 68 complaints, with an average reported failure mileage of 26,107 miles. Compare that with the mileage on the listing.
Build a buyer checklist to turn these issues into questions and inspection points.
300 total complaints on record
| Date | Component | Summary | Severity | Mileage |
|---|---|---|---|---|
| Sep 2025 | VISIBILITY/WIPER | Windshield wipers stop mid wipe. This seems to be a common issue with this car. It poses a serious hazard when driving in inclement weather. | Crash: No Fire: No | Unknown |
| Sep 2025 | ELECTRICAL SYSTEM,UNKNOWN OR OTHER | I’m getting ENGINE MAINTENANCE REQUIRED VISIT YOUR DEALER, And it has to do with the A/C It only comes on when I turn on the A/C which has to work the “Coolant Bypass valve” I’ve looked online and many others have had issues it’s the 2020 and onward year Toyota, I’m not the only one Many have mentioned they reach out the dealer & state this is not a recall and need to pay out of pocket to fix, but with some many people having same issue, doesn’t seem right that it wouldn’t be a recall with its MULTIPLES of people having this same issue | Crash: No Fire: No | Unknown |
| Sep 2025 | ELECTRICAL SYSTEM | The contact’s mother owns a 2020 Toyota Corolla. The contact stated that while looking in the list of features on the infotainment center, the Forward Collision, Brakes, Accelerator, Lane Assist, On-Board Collision, and other safety features were flagged as malfunctioning. The contact stated that the list of malfunctioning systems seemed to have increased over time. The vehicle failed to turn off intermittently, causing the driver to make several attempts to turn off the vehicle. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was 80,000. | Crash: No Fire: No | 80,000 |
| Sep 2025 | ELECTRICAL SYSTEM | SOS is malfunctioning. Rebooting every thirty seconds. Interferes with handfree phone calls messages pop up asking to call for operator. Google this and it very common. The sos is for emergencies to get you help and it cuts off every thirty seconds.Your phone calls. Were the person you're talking to cannot hear you until it stops. | Crash: No Fire: No | Unknown |
| Sep 2025 | POWER TRAIN | The contact owns a 2020 Toyota Corolla. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The contact became aware of an abnormal clunking sound, and that the check engine warning light was illuminated. The contact stated the failure had occurred while driving on a busy road. The contact attempted to shift the gear shifter into different driving modes; however, the vehicle failed to accelerate as intended. The contact stated that several good Samaritans pushed the vehicle into a nearby driveway. The vehicle was taken to an independent mechanic where it was diagnosed with transmission failure. The contact was informed that the transmission needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 64,000. | Crash: No Fire: No | 64,000 |
| Aug 2025 | ENGINE | I have experienced a message saying 'Engine Maintenance Required' and after experiencing the same instances as many people have online, it seems the engine coolant bypass valve is faulty and needs to be replaced. No code can be read using a code reader either. | Crash: No Fire: No | Unknown |
| Aug 2025 | ELECTRICAL SYSTEM | The contact owns a 2020 Toyota Corolla. The contact stated that while operating the vehicle, the message "Communication Module Failure" was activated. The cause of the failure was not yet determined. The local dealer and the manufacturer were contacted regarding the failure, but no assistance was provided. The failure mileage was 37,000. | Crash: No Fire: No | 37,000 |
| Aug 2025 | UNKNOWN OR OTHER,ENGINE | Engine Maintenace required light came on. I was told that my coolant bypass valve needed to be replaced. This is happening on all Toyota vehicles from 2018-2024 common issue but the repair to fix something that should be covered under warranty. | Crash: No Fire: No | Unknown |
| Jul 2025 | AIR BAGS | The current recall on this car (passenger front seat weigh sensor issue) has been going on for too long (since 2023). Based on the recall info, i have not been able to drive with anyone sitting on the front passenger seat. | Crash: No Fire: No | Unknown |
| Jul 2025 | SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | The contact owns a 2020 Toyota Corolla. The contact stated that while driving approximately 10 MPH and making a left turn, the Forward Collision Avoidance system activated ad the vehicle stopped independently. The contact stated there was no warning light illuminated. The contact stated that the braking function resumed, and the contact was able to continue driving. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the Forward Collision Avoidance was functioning correctly and there were no failure found with the brakes. The vehicle was not repaired. Additionally, the contact reported that the vehicle had started to shake abnormally while driving at speeds under 40 MPH. The contact stated no warning light was illuminated. The contact had not taken the vehicle back to a dealer or mechanic to be diagnosed. The manufacturer was not informed of the failure. The failure mileage was approximately 116,000. | Crash: No Fire: No | 116,000 |
| Jul 2025 | AIR BAGS | My airbag sensory notifications keeps coming on. When I start my car normally it isn’t on but once I start driving the notification will come on along with the ding noise it makes when you don’t have on a seat belt. I notice there was a recall on this issue for the later model Corolla and wanted to see if possibly this could be considered for the 2020 Corolla’s. | Crash: No Fire: No | Unknown |
| Jul 2025 | ENGINE | Coolant Bypass Valve | Crash: Yes Fire: No | Unknown |
| Jun 2025 | FUEL/PROPULSION SYSTEM,BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | Fuel pump system failure causing vehicle warning lights to come on and not turn off, affecting vehicle performance for going up hill as well as vehicle completely shutting off in middle of road . Major safety hazard | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | On June 19, 2025, I was driving and out of nowhere, there was a warning notification that said "A warning light was turned on. Would you like to call an operator?" On the digital cluster, there was a message that said "Engine Maintenance Required - Visit Your Dealer. Mileage noted down was 79,632. I asked around for some insight and people are telling me it's the water/coolant bypass valve that's leaking and the Op code is 24TE04R1. Will this be a covered service? | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | The engine maintenance required message appeared on the dash. I was travel from work to home (about 40 miles). I pulled over immediately at a store, left my car and walked over a mile to the mechanic shop down the road (in 95° weather with a knee that has been through 3 surgeries in less than 5 years). The gentleman took me back to my car. Followed me as i took my car back to the repair shop since it was close and did not have any lights on the dash and I was not overheating. He plugged a reader in it and the error was a coolant bypass valve issue (i can't remember the exact verbage). I purchased a replacement valve 6-17-25, along with toyota coolant. I am having to wait and save up the money to have the valve replaced at the shop got the message code from. I can not afford the dealerships cost to replace the valve. The valve and coolant was expensive in itself. I have read many forums and blogs. Toyota knew there was an issue and I am requesting my reimbursement for the cost of replacing a part you knew was faulty. | Crash: No Fire: No | Unknown |
| Jun 2025 | UNKNOWN OR OTHER | Front windshield has bubbles on all the edges and they are getting bigger i took it to the warranty ofrece and they say it not a defect, but i hace sean more tan 100 cars With the same problem ,and i don't fiel sale wathching then grow or break. I hope You can verify , just look at any corolla and You Will see what i say on the edges of the windshield, thank | Crash: No Fire: No | Unknown |
| Jun 2025 | ENGINE | Flow Shut-off Valve Coolant Leak | Crash: No Fire: No | Unknown |
| Jun 2025 | VISIBILITY/WIPER | The windshield wipers stop in the middle of the windshield at times when set to intermittent. Sometimes they will not shut off when they are turned off. This can be a hazard while you are driving and you never know when it will happen. | Crash: No Fire: No | Unknown |
| May 2025 | VISIBILITY/WIPER | While driving with the windshield wipers on during a rain storm , the wipers would stop working suddenly. The Car was taken to dealer and windshield motor was replaced. Without working wipers, it was dangerous to drive. | Crash: No Fire: No | Unknown |
| May 2025 | ENGINE | I have an error that appeared displaying “Engine Maintenance Required” after some investigation snd research, I have noticed that this is a common issue associated with the OEM Engine Coolant Bypass Valve. This occurred as I was driving home from work when I was driving down the freeway, I did not run into any obstacles or have an accident, it appeared out of thin air. | Crash: No Fire: No | Unknown |
| May 2025 | ENGINE | unknown. i know that my car was doing fine and then randomly the coolant was low and my car was overheating on my way to work. i have yet to get it fixed, as i dont know how much it could cost me. but i read that 2020-2021 toyota makes were having issues with their coolant. | Crash: No Fire: No | Unknown |
| May 2025 | AIR BAGS | ocs sensor recall. the potential of this recall makes me very nervous to drive the car. they haven't tested or inspected the part until the remedy is in. no lights on dash at this time. | Crash: No Fire: No | Unknown |
| May 2025 | UNKNOWN OR OTHER,ENGINE | An engine maintenance required warning popped up. The pop up wasn't going away. My engine sounds louder than usual when turning my A/C on. | Crash: No Fire: No | Unknown |
| May 2025 | UNKNOWN OR OTHER | Coolant bypass valve. Code is P2681, part will fail and vehicle will consistently display a Engine Maintenance Required Visit Your Dealer on the MID. Dealerships will try and charge 500+ to repair it when the part is under 100+. Problem started to appear since end of March. It's May 15th as of this report. Upon using an OBD tool this is the following message: "STATUS CONFIRMED / PENDING - ENGINE COOLANT BYPASS VALUVE 'A' CONTROL CIRCUIT/OPEN : CIRCUIT SHORT TO BATTERY OR OPEN". Part has NOT been inspected by Toyota, nearby service centers are scumbags and will charge a fortunate to fix it. | Crash: No Fire: No | Unknown |
| May 2025 | FORWARD COLLISION AVOIDANCE | The automatic emergency breaking and forward collision warning failed to alert and turn on and I wrecked into an object. My life was put at risk and I wrecked my car. The problem has not been reproduced or confirmed by the independent service center. The vehicle is currently being inspected by insurance estimator. There was no other alerts or messages to alert prior to collision. | Crash: Yes Fire: No Injuries: 2 Towed | Unknown |