2020 Toyota RAV4 Electrical System

The contact owns a 2020 Toyota Rav4. The contact stated that while driving at an undisclosed speed, the message “Engine Maintenance Required” was displayed. The vehicle was taken to an independent mechanic, where it was diagnosed, and determined that the heater control valve had failed and needed to be replaced. The vehicle was repaired. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 47,000.

Hybrid System Malfunction. The warning lights came on notifying of an issue with the hybrid system. A certified Toyota service center inspected the vehicle and found the hybrid floor wire traction cable/wiring harness corroded. Issue started 3/1/25, car was inspected on 3/3/25. This is a known issue with Toyota. Vehicle will no longer start and could have shut off while driving without warning.

The screens will flicker and then dim on its own while driving.

The CarPlay disconnects constantly during every drive. It’s is extremely dangerous because when my directions are being displayed the navigation cuts out, and you have to fiddle with your phone to attempt to reestablish the connection.

The following is an issue involving my 2020 RAV4 Toyota battery manufacturing defects that ended the life of my RAV4 battery. The mentioned event occurred on [XXX], and a report was created and recorded by a Toyota representative on [XXX], via (800) 331-4331 phone call, with the reference report number [XXX]. The nature of the issue was that my 2020 RAV4 battery parts came loose from the inside, and the metals were rubbing with each other, causing the smoke and the battery to overheat, ending its life due to the mentioned manufacturing defects. Based on the dangerous, alarming issue of overheating and dense heavy smoke from the battery, I left it at the dealer for service to prevent any toxic fumes, fire, or explosion. I told the dealer adviser that those manufacturing defects are a serious safety concern that should be reported in the public’s best interest to avoid any possible tragedies. I noticed when I picked up my car from the dealer that the battery manufacture defect was not recorded in the paperwork I had received; the manager and the advisor didn’t show any sense of urgency to the matter, so I filed a report to Toyota Motor North America Headquarters, Plano Texas. Report number: [XXX] The dashboard panel never displayed any safety hazard warnings or any symbols indicating the conditions of the smoke and battery overheating were jeopardizing my life and my family aboard while I drove with them. I paid $ 552.55 for the battery and a diagnostic service; management did not want to acknowledge that a manufacturing defect ended the battery life. Customers should not be responsible for replacement costs when the event is caused by manufacturing imperfection “even though the warranty is over.” The dealer advisor and management know that these manufacturing battery defects happen. Still, nobody ever informed me to be mindful of the dangerous state of faulty battery defects when I purchased my 2020 RAV4. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2020 Toyota Rav4. The contact stated that the vehicle failed to start after several attempts. There was no warning light illuminated. Due to the failure, the vehicle was towed to a dealer where the battery was replaced. After the battery was replaced, the "Battery Charging" message would display on the instrument panel. The contact stated that the battery had been replaced several times due to the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 12,000.

The start and stop system malfunction error message came on and warning sound . Its the second time it happened

PARASITIC BATTERY DRAIN DEFECT complaint: prior to 07/16/2024, I received a "low voltage" error on my Toyota RAV4 screen a few times. On 07/16/2024, I took it to the dealership. My battery tested "good" and the Toyota dealership charged me 39.95 to tell me that everything was working well on my vehicle. The very next day (24 hours later), 07/17/2024, my vehicle would not start and had to be towed to the dealership. The tow truck driver told me the battery was "dead" (based on his measurement) and leaking acid (based on a smell). Toyota charged me 272.52 to replace the battery on 07/18, that was supposedly "good" two days prior. This is a known issue to Toyota, part of a class action lawsuit referred to as "Parasitic Battery Drain Defect." This is dangerous since I was stranded with a car that would not start in a summer day of high heat, but could have been much worse in other circumstances. The tow truck driver told me that the battery acid could be dangerous. Toyota should be providing a fix and a recall, but they had no solution for me other than a new battery which is a "quick fix" (but not a real solution) as described in the Class Action lawsuit documents.

I replaced my battery a little over a year ago and have come back to my battery completely dead and unable to turn the engine over. The first time it happened my vehicle had sat for 4 days. It has done it sporadically and sometimes within 2 days of incidents. I have checked to make sure no components were left on to cause this issue. It has left me stranded multiple times.

my car has barely 40,000 miles on it when I received an "engine maintenance required" sign. When I went to the dealership, they said its the coolant bypass. I went on reddit and many 2020 rav4 Toyotas are having the same issue. This should be recalled as the repair is too expensive - above $800.

The contact owns a 2020 Toyota Rav4. The contact stated while driving approximately 35 MPH, the "Engine Maintenance Required" warning illuminated. The contact stated that the instrument cluster displayed the warning; however, all information, including the speedometer, mileage, fuel, and temperature gauge went blank. The contact stated that power was not lost and was able to continue driving to the destination. The contact stated that when the vehicle was turned off and restarted, the instrument cluster functioned as needed. The contact stated that the failure was intermittent at first but had become a recurring failure and occurred at various speeds. The contact had taken the vehicle to a local dealer; however, the vehicle was not yet diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 48,000.

My name is [XXX] and I would like to file a complaint against Toyota. I purchased my RAV4 XLE in 2020 after returning home from military training. This was my dream car and I was filled with joy to be able to purchase it. In the four years I have had it, I have had minimal issues, nothing to note other than normal wear and tear, until recently. The "Engine Maintenance Required" light came on roughly 3 weeks ago. I deemed it to be my oil change notification and reset it knowing when my next oil change was due. The notification came back on to which I started investigating further. I typed in "2020 RAV4 Engine Maintenance Required" into Google and was surprised at how many car forums and complaints popped up for this exact problem. It was an astronomical number of complaints made by loyal Toyota owners. I scrolled for an hour reading everyone's story, which was almost identical to mine. I made an appointment at my nearest Toyota in Bountiful, UT to get a diagnostic test done. Not to my surprise, the code that was tripping the system was for the 'coolant bypass valve.' I was quoted $660 for the parts and labor. After getting a price breakdown and verbally stating how frustrated I was with this issue due to how many others online had the same issue and there not being a recall, I felt like my only option was to pay it and suppress my anger. I am not upset with the Toyota dealership I went to. I am upset that this is a very known issue that even the mechanic verbally stated knowing about, and that Toyota as a large corporation is not doing right by the people who swear by owning Toyota's and their reputable reputation. I called two private mechanics about the issue and they both stated that they have worked on several RAV4's with this issue. It is not cosmetic, it is a critical issue that needs to be fixed. I hope this complaint makes it to the right hands and a solution is implemented so people can enjoy their car without these worries. Thank you. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

This is a known issue. Coolant Bypass Valve Issue Error on value says "Engine Maintenance Required, Visit Your Dealer." We have been waiting on the recall at 27,000 miles (brand new purchased). We are at 50,000 miles now and still no resolution and the error stays.

* Coolant Bypass Valve * This problem costs $800 to fix at the Toyota Dealership. *My car is a 2020 Rav4 with only 32k miles on it. * After reading thousands of complaints on websites from other 2020 Rav4 owners with the exact same problem, I think there should be a recall as this can be a dangerous issue if the engine overheats. I am shocked that nothing has been done about this yet. *The only warning was a routine maintence light that comes on every 5,000 miles.

The original battery completely drains when the car is off and no electrical equipment is kept on. This has happened on at least four occasions and car is unable to be turned on or even jumped with another car. The dealer (Toyota Umansky - Charlottesville, VA) has been unable to fix the problem and it it reoccurs. Based on my reading of this issue in similar models of the 2020 Rav 4 Hybrid, the "parasitic battery" can cause other electric malfunctions that would affect safety. Also, the description of this defect is substantially similar to the problems I face with my vehicle. I would like to add my model/ vin to the known batch of defective models with this problem.

2020 Toyota RAV4 XLE purchased July of 2020. Just hit 35K miles and an "engine maintenance required" message appeared. The error message would not go away while driving and blocked the entire display screen. There is an issue with the Engine Coolant Bypass Valve that costs $700-$1000 to repair. The part and repairs are not covered by the 60,000 power terrain warranty.

Despite the upkeep of maintenance the light warning light won’t go off. I follow rav4 groups this is a common problem.

I bought my car brand new in August 2020. In September 2021, my car died, I couldn’t get it on at all, even to turn off the automatic emergency brake. No lights were left on, no doors ajar. Toyota came and jumped it so I could drop it off at the dealership. They ran tests and found no issues. Fast forward to March 2023, my car died again in the driveway. No lights left on, no doors ajar. It seems unreasonable that a brand new car would die twice in less than 3 years. Replaced the battery after the second time it died. How long until it happens again? I’ve read that there seems to be a battery issue with the 2020 Rav 4. Will there be a fix? I no longer feel confident in my car.

The battery in my hybrid Rav 4 repeatedly goes dead if I don't drive the vehicle for 2 days. I reported the issue to my dealership and they charged the battery but it didn't fix the problem. The next time I brought it in for the same issue they did a software update they said would fix it. However, I have had the same problem once more and they again claim it's just a software update to fix, even though there have been no technology changes to my vehicle since they last "fixed it". In consequence, my vehicle will not start reliably which has left my husband stranded after work on a cold January day, and left me stranded at home from getting to work two additional times. Every time I bring it to the dealership they dismiss the problem but none of their attempts have resolved the issue.

2020 RAV4 hybrid. Vehicle doesn't start; requires a jump, which is inconvenient or unsafe, depending on where it happens. Intermittent occurrence, ~ 3 times/year. Toyota checked 12V battery, pronounced OK, of course the car was driven to the shop for the check, so was operating at the time. I've checked the battery when the car wouldn't start and found it to be a little low (11.5V) but by no means fully discharged. Not associated with leaving components on (we are careful to turn everything off) or weather; the vehicle is garaged in the winter. I turned off the "Bluetooth" system which we never used and haven't had this issue over the past year. Suspect that the "Bluetooth" system was operating even when the vehicle was off?

On September 16, 2022, I discovered the vehicle battery died. I charged the battery through a jump start. The car worked normally, except the radio and infotainment system failed to work, constantly rebooting in an endless cycle while the car was powered on. On September 29, 2022, I brought the car for service at Star Toyota of Bayside, New York, to diagnose the issue. On September 30, 2022, the service advisor told me that the entire infotainment system had to be replaced at a cost of about $1,400.00. The car is out of warranty apparently due to its mileage even though it is from 2020. The fact that a simple, common issue such as a dead batter caused this catastrophic damage to the infotainment system is totally, absolutely unacceptable. I now question the electrical integrity of these cars and I hope that NHTSA will undertake an investigation. I also seek full reimbursement from Toyota for all costs associated with this repair. I have video of the system rebooting. The file is too large to upload to this website with its 10MB file size limit. I'd be happy to provide it by other means. Thank you for your consideration.

The infotainment system stopped working after the car was 2 years and 3 months old. The screen flashes on and off and the screen is not responsive. The dealership disconnected the battery to do a hard reset and this did not help the issue. Also they were not able to update the software and said the radio/infotainment system which controls my radio, Bluetooth, navigation, and apple car play would need to be replaced all together for $1700. I have kept up with my maintenance schedule in general and have not had or done anything to have the radio/infotainment system to completely stop working. This is also distracting when driving having the screen flash on and off, especially at night.

The electrical system has issues While driving at 25 mph the interior lights began flash on and off ( 10 pm and dark outside) rapidly and randomly The instrument cluster flashed the door open screen and indicated the rear hatch was open and rear hatch made at least ten attempts to open in the span of just one block Switches on the dash did not respond Key fob buttons did not respond I returned the one block I had traveled and parked the vehicle shut it off and restarted and the hatch had to be manually closed Shut off the vehicle locked it let it sit for ten minutes walked out of the house to the vehicle and without even touching the key fob the rear hatch opened the lights flashed several time not the standard twice and the hatch proceeded to half open close and open again three times with not input from me or the key fob This is the fourth or fifth issue that has arisen with the electrical system since we purchased the vehicle and no one can find the issues origins or solutions Prior to this the electrical system issues were only minor nuisances This was completely unsafe and is what has precipitated this filing

On 8/25/21, Toyota Rav 4 Vehicle was parked in garage and caught fire burning down garage and house, minor injuries to occupants in house. Vehicle had recently 7/01/21 been repaired at dealership for battery discharge when parked by installation of new update to DCM Software according to TSB-0095-20 Rev2. The vehicle has been inspected by police, Hidalgo County, Texas Fire Marshall and Progressive Insurance Company Progressive. Origin of fire started in vehicle but cause of vehicle fire undetermined by Fire Marshall, Insurance Company related fire to charger plugged into dash of vehicle.

This is regard to 2020 RAV4 XLE with 7,000 mileage battery dead issues twice due to software issue based on Toyota dealership reports. I do drive my car daily and car not sat in garage more than 2 days! On evening of July 24th I wan’t able to turn on the vehicle. It was totally dead. Had to request road assistance for jump then took the car to Toyota Sunnyvale for check. They mentioned the issue was the battery and then having hard time with them to replace it with a new one. They Assured and Confirmed with me couple of times on the phone and at the Service Center this issue will never ever happen again. I was told it was a software issue that was consuming the battery and company fixed the software and they updated on my car and it won’t happen again for sure. Morning of November 16th while was heading to work same story repeated again. Faced with a totally dead vehicle, called again for road assistance for a jump and car is now sitting at Toyota Sunnyvale Service Center for analysis. I cannot trust to Toyota Service Centers any more and now I cannot relay on my vehicle. I look forward for a reasonable response from Toyota Motor Corporation. Why customer has to face with dead battery, ask roadside assistance and visit the dealership to identify the problem? What if I was out of town or in situations that cannot get roadside assistance? Why if this software issue it was not software recall and customers was not informed? Why this issue happened twice? What guarantees this will never happen again?