Rav4 battery keeps draining My RAV4 Hybrid is not getting much use and keep the 12V charger connected and plug it in every few days (drain from car alarm, etc). 1) The Smart Key system slowly drains the 12V battery. It's sort of like a smart charger. It not only tops off the charge, it cycles through charge/discharge. Jan 8, 2023 · Using a trickle charger like the NOCO Genius1 is a better solution than repeatedly jump-starting your 2021 RAV4's battery. There are several ways of doing this test. It's being researched by Toyota but if anyone has the problem, contact your dealer and complain. Nov 6, 2019 · My 2018 RAV4 Battery is subject to parasitic discharge. If the car isn’t used for about 24 hours we’re unable to start it and it needs to be jumped. When I did that, I had a (~1 amp) battery maintainer permanently wired to the battery, and ensure that it's plugged in when parked in cold temps. It will keep the battery topped up without overcharging, especially if you're not driving it often. 2017 RAV 4, battery went dead a few months ago. It is hard to believe the OP's '21 had a battery failure with no codes found by the dealer and battery testing OK. Dealer had the car I think three times, I know two for sure, and couldn't figure it out. Do your research before you decide. I have to get toyota appointment for a check up. If during first ~ 110000km the battery drain happened in about 1 or 2 weeks (that is too bad), then after ~ 110000km started to drain battery in about 2 days (sometimes during one night). 4V open circuit (should be > 12. 6V) & when starting it drops to 9. 003 amperes is excessive remember that the PCM has a KEEP ALIVE MEMORY and that cannot be shut off May 27, 2023 · Customer of mine had a battery drain issue on a newer vehicle that he had purchased brand new. Dec 21, 2020 · The complaints started with the 2020 models. In June (just under 10k miles), the battery wouldn’t hold a charge for more than 3-4 hours but still passed all the dealership’s battery tests. Feb 11, 2021 · Using the wrong battery type will result in a dead/damaged battery. In addition to the above, I use a "battery maintainer" once a month. They related to the 12 battery and not to the hybrid battery. Aug 23, 2024 · The 2020 model year RAV4 has an NOTORIOUS battery draining issue. Nov 4, 2013 · 1) Just because the RAV4 is a 2012 model does not automatically rule out a bad battery. Nov 28, 2023 · To fix a Toyota RAV4 battery that keeps draining, first, check that the battery is still serviceable. The system continuously receives power from 12V battery, waiting and "listening" for the key fob to come into range, so the doors can get unlocked, the vehicle computers power up to start (READY) the vehicle. If it is draining while your Rav4 isn’t running, something is drawing current that shouldn’t be. Jan 14, 2024 · Some solutions to Toyota RAV4 battery problems may include checking and cleaning the battery terminals, replacing an old or worn-out battery, testing the charging system and alternator, or addressing any electrical drains. Sounds like a classic case of the DCM causing battery drain but unfortunately the TSB does not apply to 2019 model year. Sep 30, 2019 · If your Toyota Rav4's battery is draining, it's something that'll need addressing right away. If issues persist, consider checking with car repair garages in Aldershot to rule out any underlying problems. There is also some kind of hum or buzz coming from under the hood and the only way to stop it is to pull this fuse. 6V For my 2018 RAV4 Open the Door then shut it, open the bonnet, measure the current drain = 520mA standing so a lot more is "Awake in the RAV4 Jan 5, 2023 · In my case, I had to replace the 12V battery on my 2020 after less than 2 years. The Data Communications Module (DCM) does not shut off when the engine is offthe DCM keeps transmitting data to Toyota and drains the battery. However, if there’s no excuse for the battery to die, there may be an underlying issue that should be addressed. When you turn it off the CEL and oil light stay on but dimly. Buying a battery does not solve the problem. 6 volts, then there is a parasitic draw that is causing the battery to drain. Over time, these parasitic drains can suck your battery dry, leaving you high and dry. Jan 4, 2021 · This problem is being called "PARASITIC BATTERY DRAINING DEFECT" - based on my researching consumer and RAV4 websites. About 2 months ago I went to start my Rav4, that had been parked in my garage undriven for maybe 3 days, and the battery was dead. If the battery drains while driving, there’s likely an issue with your vehicle’s alternator. It's a petrol RAV4 2. I live in a small city, and don't have too many trips or continuous running for more than 15 minutes. There have been no posts about this for quite a while and the 2021 models are free of this problem. Feb 24, 2016 · My 09 limited has started a very strange issue. The steering wheel does not lock when this happens. And it wasn't always registering a drain. continuing to keep something connected and Mar 8, 2020 · Here's the main thread on the issue. Give it at least 5 minutes (maybe 10) for all the modules to time out (turn off). Built in Canada, purchased in December 2019, first dead battery incident just 2 weeks later, then a second incident 6 months later. I had to get a jump, had it checked at the dealer, they said the battery looked fine and gave me some theories on why the battery was dying (all the proposed theories were wrong I think). Depending on where your Rav was built, it could spend way more time than that in transit from the factory to your dealer. off the electronic parking brake prevents the battery drain issue. If left in this state it will drain the battery. Jun 14, 2022 · Maybe you have some of the parts from the 2020's which require the software update which causes drain on the battery. Note that at ~95000 I renewed small battery in trunk (at dealer), but it didn't resolve problem at all. To answer your questions, there was a service bulletin for older Ravs to fix a software problem which caused the battery to drain. As an early 2019 owner and one who has been on here almost every day, there may have been a few isolated 12v incidents with 2019s due to dealer handling letting a battery discharge on the lot or even just plain bad batteries. The second battery was brand new Mechanic's Assistant: Are you fixing your RAV4 yourself Dec 27, 2017 · (Maybe a short circuit is draining the battery?) 1998 RAV4 3dr soft top AWD 5 spd, SXA10L-AKMGKA, Blue Pearl Metallic, 194k miles 1996 Avalon XLS, MCX10L-AESGKA Sep 29, 2022 · A class action says 2020 model year Toyota RAV4 SUVs suffer from a “parasitic” battery-draining defect that can deplete a vehicle’s battery while the car is turned off. Emigrated from the UK about 18 months ago with our RAV4 and have recently had problems with the 12v Battery draining. It was so bad that his wife carried a jump pack around with her. Drive the car for a few minutes to make sure all everything turns on. In most cases, replacing the battery fixes the problem. All these posts remind me of the issues with the Prius and Smart Key. Jun 7, 2020 · Add me to the list of people with a 2020 RAV4 Limited Hybrid and a dead 12V battery twice in 6 months. My son has tested Battery with a multimeter and says it's ok so it's more than likely an alternator problem. May 19, 2022 · The best troubleshooting method to find a battery drain is to install a battery disconnect switch (sample link below). Park it where you are going to work on it and shut it down. Nov 20, 2023 · Your 12 volt battery should not die in a month, especially on a 2023. Nov 22, 2024 · Parasitic Drains: Sometimes, even when your RAV4 is parked and powered off, certain electrical components continue to draw power from the battery. 0 engine. I know a bunch of people have had battery issues with the hybrid and the 2020 parasitic battery drain—I purchased a brand new 2022 XLE last November and have been having very similar issues. Aug 2, 2023 · For my Rav4 Hybrid 2020 year problem exists. This de-sulfurizes the plates and keeps the battery in good shape. Hello, You need to disconnect the Battery and use an Ohmmeter to find the drain. Oct 3, 2022 · Toyota battery class action overview: Who: A 2020 Toyota RAV4 customer is suing Toyota. I recommend a load test to determine the SOC of the battery. 2) A lot of the computers in new vehicles stay alive for a time after the key is turned off. Why: The customer says the vehicles have a defect that causes the battery to drain while the car is off. Jan 26, 2021 · DejaVu. If you're worried, perhaps hook up the battery to a charger on the weekends. Oct 30, 2019 · Hi, bit of a newbie here looking for help with our 2017 RAV4 Hybrid. Just hook the Ohmmeter to the disconnected Battery cables and see what reading you get. If it can hold a charge of at least 12. It started with a Battery jumper that I keep in back of car for emergencies. May 14, 2013 · That is easy to track down, ok full charged battery, then connect an inductive pickup ammeter that can read milliamps around the positive battery cable make sure all lights and doors are closed and read the drain on the system anything more that . Oct 16, 2022 · Yes this DCM issue with battery drain was way back on the 2019 and early 2020 models and was resolved by a TSB. For 12V backup, better get USB battery so you don't have to flag down another car. If the RAV4 battery is dead, it’s possible that you simply left the lights on. Sep 15, 2014 · Thanks for reply Paul. After trickle charging the battery to full charge, within 4 weeks its back to 12. Works fine once j May 7, 2021 · The Start/Stop cars have more robust batteries. SOURCE: 2002 gmc sierra 1500 HD battery keeps draining. A weak battery will discharge faster than a good battery. . Probable cause according to several posters is that car constantly attempting to connect to Toyota Satellite system all the time in order to call home, even if car is turned off, thus draining the battery. And they had it for a couple days at a time. Customer: my 2010 Rav4 keeps draining batteries Mechanic's Assistant: Have you tested the battery with a voltmeter? And can you see if it's leaking or not? Customer: No, but its not leaking, the 1st was working just fine in a corolla before it was put in. dhse pfpr ryvig ajfr dgkchy ydoquz issgz tisd irca aegx