How to check Prius 12v battery health

Checking the 12V Auxiliary Battery Health Toyota Prius. Car Model: Toyota Prius How to Check the 12V Auxiliary Battery Health Toyota Prius? #toyota #fuel-and-intake #. Conclusion on how to check Prius hybrid battery health. Indeed, a lot of car repair shops are not trained in battery Stress Testing, even though they might have the scan too to complete the test. Today, we have spent time educating you on how to check Prius hybrid battery health, note that after seven years, hybrid batteries will be out of.

It sounds like you need to get one of the Traction Battery Health Monitors listed above. You plug it in your OBDII port, drive the car, download the file and examine the battery voltages, resistances, temperatures, etc. This will give you a baseline for the current health of your battery Turn on the car and click Connect within the OBC Fusion app. Click Diagnostics, PID Values, Menu, Select PIDs, Toyota-Lexus-Scion. This allows you to pick what you want to monitor. Click HV Battery, then turn on Battery Block Max Voltage and Battery Block Min Voltage The AUX battery is a user replaceable item, that is located in the far rear (passenger) corner of the Prius' trunk. It is used for initial startup operation as well as operating the vehicles 12V items; radio, lights, etc., much like a regular non-hybrid car In ACC mode press and hold the MFD info button while turning the lights on and off three times to go into Maintenance mode Press the on-screen menu field Press signals - the battery voltage is shown and should be about 12.4 volts Press the power button (no brake pedal) to put a current load on the battery - the voltage should stay above 12v A battery that dies because you left a drain on it is normal. In your case, you clearly didn't drain it so far it couldn't run the electrics to start the car so you didn't drain it past any danger point. You are fine. If you live in a normal town, there's a store with a Prius battery within 10 miles

Toyota Prius Checking The 12V Auxiliary Battery Health

When the multimeter reads 12.8 volts, then your battery should not be charged any further, because it is fully charged. If it reads 12.6 volts, the battery is just attaining a fully charged state. But when it reads 12.4 volts, the battery has attained a 75% charge level, and it could still be charged further, there would be no danger In this video I walk through how to test remaining battery capacity on a 3rd Generation Prius.Link to OBD reader used in this video - https://amzn.to/3lM1rBM..

How to Check Prius Hybrid Battery Health (How to Test

  1. Start the car and check your battery level. Hopefully, it is about right in the middle or higher. Now go out and load the battery. What I mean by this, is driving the car, hard
  2. Quick video on how to check your Prius's 12v auxiliary battery voltageWeird things can happen when you have a weak auxiliary battery so best to check that fi..
  3. the process to check your 2004-2009 Toyota Prius 12V aux batterystep 1 - Turn on standby power (press power button)step 2 - Hold the display buttonstep 3 - W..
  4. Signs of a Weak 12-Volt Battery in a Prius Failure to start up or no response from the power button when attempting to start. Dim interior and exterior lights before starting that then brighten after putting the Prius in Ready mode. Loss of radio presets when turning on your Prius
  5. The folks that developed the Dr. Prius app are heros. They have successfully given us Toyota Prius owners a tool that we can use to check battery health and see if it is ready to fail
  6. The Hybrid Assistant app is used to test the health of my Prius HV battery. The Hybrid Reporter app then generates a test report from the collected data. An.
  7. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators.

Can you check hybrid battery health on Prius like the 12V

Dr. Prius is an app developed to help professional Toyota/Lexus hybrid repair shop or owners to examine the health of the High Voltage battery. It turns your mobile device into a professional diagnostic equipment that usually cost thousands of dollars, it is being trusted by 125+ professional repair shops around the world (as of 8/22/2020) If you haven't already, check the health of your 12v battery.As I said there, unless your car doesn't start at all it's tough to know if you need a new 12v battery in a Prius. After testing my 12v battery and finding it to be weak I decided to replace it because I don't want to be stranded somewhere Without any trouble code, how do you know the State of Health of your Hybrid Battery, it is called a Stress Test and this is a very good test to find out the State of Health. Stress Testing For this test you will need to find a repair shop that has a scan tool that can gather the live data from you hybrid battery

Hey everyone! I wanted to give you a cool tip for the day if you are looking to replace that old 12v battery that is in your Toyota Prius. If you want some more information check out my other. The Prius battery consists of a bunch of individual battery blocks wired in series. Each battery block is about 15V. The HV Battery ECU monitors the voltage of each individual block. All of the block voltages vary slightly. Whichever block has the lowest voltage is reported in a PID (Parameter ID) called Battery Min Block Voltage The low voltage (12V) battery (LV Battery) is located in the right part of the rear boot/trunk/baggage compartment and it is of smaller dimensions and charge capacity than those found on conventional drivetrain cars. This is due to the fact that the LV battery is fed, after the Ready mode status is enabled, via a step-down DCDC converter from the High Voltage, high capacity battery and its. Based on my experience, I'm not sure the 12v battery is all that important. My 2008 Prius (bought used in 2015 with 150K on it) was showing signs of needing a new 12v battery in 2019 Interstate Batteries 12V 35Ah Deep Cycle Battery (DCM0035) Sealed Lead Acid SLA Rechargeable Battery Insert Terminals (AGM) Wheelchairs, RVs, Trolling Motors, Scooters 4.4 out of 5 stars 756 $89.99 $ 89 . 99 $99.99 $99.9

Determining the health of a Prius batter

  1. d that the Prius 12v battery is quoted as a complication, know that an expert will be hired and that the cost will definitely increase. There are options, however, to cut down on your bill. You could always go for a used or refurbished battery as a replacement and that could cost you $1500 or more
  2. I have a 2007 Camry Hybrid. I brought it in to the dealership asking for a complete health check. I told them that since it's a used hybrid I wanna make sure there are no surprises. I have a friend who has a Prius and he recommended bringing it to Toyota for a health check so that they can see if the battery cells are ok
  3. Prius High Voltage Battery Diagnosis and Upgrade Timothy Janello Southern Illinois University Carbondale, tjanello@siu.edu HV Battery Malfunction Check Freeze Frame for INF code Disconnect 12V Battery
  4. Use a 10mm socket to remove the 3 bolts circled in red, the bolt on the battery post just needs to be loosened. Now the clamp on the battery post will probably still be tight but at this point you need to wiggle the entire hold down clamp up and off
  5. A common issue that many Prius owners face all the time is that blasted 12v battery. It always seems that the 12v is going dead, or causing issues with our cars. It always seems that the 12v is.
  6. e/monitor the health of the vehicles High Voltage battery. This App turns your mobile device into a professional diagnostic tool/system that would normally cost thousand of dollars and difficult to use
  7. Took my 2017 Prius to local main dealer for annual service: everything was fine, except that on collection was told they hadn't been able to carry out the hybrid health check, and asked me if the 12v Battery had been changed. It had, last spring, under Toyota warranty

How to Diagnose the Health Prius Hybrid Battery - Dave

  1. 2005 prius with the red triangle on the dash and the car with a line thru it on the touch screen. My hybrid battery cells are good and my 12v battery a little low but does charge up fast. when turning read mor
  2. The Prius electrical system has some characteristics outside the realm of usual car logic that can lead to a dead battery. While most modern cars electronically turn off your headlights to avoid battery drain, in certain circumstances, some Prii (the plural for Prius) will actually turn them on
  3. Check the display reading on the digital voltmeter. Under normal circumstances, a 12-volt lead acid automobile battery should give a reading between 12.4 and 12.7 volts. Other types of lead acid batteries have varying ideal voltage readings, so check your battery's product manual or look on the manufacturer's website
  4. this is procedure for Prius, but it might as well work for TCH: Checking 12v Battery Health You can easily check out your battery status/charging system using the MFD in maintenance mode. No tools required. Get your Prius into Accessory Mode - Press the power button without touching the brake pedal
  5. My battery was dead at lunch today. Figured I would let you in on a little bug I may have found in the Prius today. The 12V battery will die if you follow this sequence of steps. 1.) park with your lights on 2.) open the driver's side door 3.) power off the car 4.) exit out of the car Your lights will be on at this point and will stay on

There's a 12v lead acid battery like any other car that runs the lights, radio, computers, and basically turns on the other battery. The big battery goes by hybrid, HV, or traction battery. It's a much larger NiMH or Lithium battery that is used for powering the electric motors that start the gas engine and move the car Effect of the 12-Volt Auxiliary Battery on Prius Gas Mileage. I forgot (again) and left my lights on at the RC flying field. My 2010 Prius is a sort of smart car and will turn the lights off if you forget; unless you leave a door open. Its computer considers the hatch a door and that is normally left open for hours during a flying session Prius Battery Draining While Parked. If your Prius's battery is draining after being parked for a few days, here are two possible scenarios. The battery itself has gone bad and just can't hold a charge long enough to be of any use after the vehicle sits, and it drains. Something is drawing power when it shouldn't be Hi, Press infophone and turn headlights on and off 3 times to go into maintenance mode but the 2013 Gen3 Prius maintenance mode does not show 12v battery voltage. Have to do it the old fashioned way with a multimeter. But to the issue of the alarm going off, most of the time this is a faulty hood alarm switch

Checking the 12v battery status on a - Toyota Prius Foru

How do you check the 12V battery on a 2015 Prius? : priu

Check Hybrid System 10 Answers. Hi There. Prius 2011, about 103k miles, maintenance up to date, fairly new 12v battery. Lost power while driving, the Check Hybrid System heading came up on the dashboard. Made it to a shoulder saf.. Hi, 12v battery totally dead on a Prius I bought it like this. It jump starts and runs good though, I drove it for an hour but the 12v battery doesn't hold chrage at all. How to check if the charger or electric motor to 12v battery is defective 03/23/13 - Tutorial #19: How to replace the 12v auxiliary battery. Many hours went into this one and I feel it's the best compliation of info on this to date. 03/20/13 - Tutorial #18: How to check the 12v auxiliary battery health. 12v battery replacement tutorial is up next, and I still have more pics in the queue to process and create. The high cost of the 12v battery is due to it living in the passenger area of the car. This requires it to be spill proof and as an additional safety feature, vented outside the car. The Prius battery is the same capacity and size as that in the Mazda Miata Prius Battery And Charging. Battery Check. Jump to Latest Follow 21 - 25 of 25 Posts. Prev. 1; 2; First 2 of 2 Go to page. Go. P. Phoenix · Registered. Joined Mar 9, 2003 · 884 Posts #21 · Sep 1, 2013. Your sources do not seem to apply directly to Prius hybrids..

Test the battery voltage. Turn off the ignition and any accessories like lights or the radio in the vehicle. If your multimeter is not autoranging, set it to 20V DC. Place the red lead on the positive battery terminal (indicated by a red cover or a + symbol). Place the black lead on the negative terminal Don't think there is a particular answer, it is more what you are willing to risk. In my Camry hybrid, I replaced the battery after 10 years of use. It still worked, but the interior lights would dim down a lot when the headlights came on. A few t.. The 12V battery is an auxiliary power system that works similar to non-hybrids. The 12V battery starts the engine and powers vehicle accessories. Obvious downsides here are the extra weight of the battery and electric motors, which is the main reason why a Prius is over 300 lbs heavier than a similarly sized Corolla I just bought an 04 prius, and the used car dealer replaced the 12V battery. They bought the battery from Toyota, but it sure looks like any old 12V auto battery to me. It doesn't look hard to install, there just isn't alot of room in the little section of the trunk the battery is in though

Get Toyota Prius Battery Service In San Diego Now that you know how to jump-start a Prius and the warning signs of a bad Prius battery, learn more about DIY car care with the team at Mossy Toyota. If you have additional questions about how to jump a Toyota Prius or you need to replace a dead battery, feel free to give us a call The place to connect an inverter in a Prius is at the auxiliary 12V battery, located on the right side of the trunk in my 2008 model (Gen II). The auxiliary battery is charged by the vehicle's hybrid system, discussion of which is beyond the scope of this article but more detail is provided in the referenced sources Just replaced 12V battery on our 2008 Prius. Second time, first was in 2013. Only have 8300 on it with only 375 Covid stay-at-home miles on it. After having to get it jumped twice in two weeks, was time to check battery and needed replace

How To Check A 12 Volt Battery With A Multimeter

  1. 12 Volt (12v) Toyota Prius Auxiliary Battery for 2001, 2002, 2003 with installation kit. Availability: Usually ships the same business day. miata+kit. The Optima Battery has performed so well in the 2004 (less than 1% failure rate in the first 2 years) and later Prius that we now recommend the Optima D51R for the 2001 to 2003 Prius
  2. Most Prius models can go for 25-30 miles on a single charge before using any gas. When it's time to give your battery some juice, simply connect it to any standard wall outlet in your home using the supplied charging cable. You can also charge your Prius' 12-volt auxiliary battery manually using an ordinary automobile battery charger
  3. utes. Non-BCI group size. Battery is vented to outside of vehicle. Without Smart key. PRICE: 199.99. Part: 34B20R-AGM
  4. utes to charge.
  5. 12 volt battery: Since on a Prius the 12 volt battery does not have to crank the engine (the high-voltage battery does, it just powers up the computers, lights etc.) it can degrade to the point where it lowers gas mileage and yet the car can still start. On a Prius you can check it easily right from the center console

How To Test Prius Battery Health - YouTub

2010 Toyota prius 12v battery warranty

How Do You Check A Toyota Prius Battery? Torque New

HOw do you push a 2011 Prius if the 12v battery is dead and you cannot turn the car on to shift into neutral? 3 Answers. Might have to do this to get at the engine, or for jumping a dead battery, if the car is not positioned appropriately Don't get confused like we did, and replace your 12v battery in the Prius immediately on the first symptoms of failure to power up. Otherwise, you risk getting stranded. Also, there it a YouTube video on how to use the Prius on-board computer to check the on-board voltage and do a DIY diagnosis of the 12v battery by cycling through the modes.

How to check your Prius 12v battery voltage - YouTub

  1. The Prius has seemed to be running the hybrid battery low quickly, and then charging quickly as I drive. It's just a feeling I have from driving this car for 3 years. I posted a note on Prius Chat and someone suggested that my 12V battery might be low, which wasn't something I suspected. I thought I might have defective hybrid batteries
  2. The 12V Battery has been a weakness in all the Prius models. With a conventional car, the 12V Battery has to be large enough to crank over an engine, so the standby current needed to run the electronics for the alarm and remote locking is only a tiny fraction of that needed to crank the engine. On a Prius, the 12 Battery is small because it.
  3. 1) Prius Dashboard Lights & Reduced Performance. Your check engine, VSC, triangle of death, and exclamation mark just came on. Your gas mileage has plummeted. Your Prius has over 100,000 miles and you're afraid that the problem is your High Voltage (HV) Prius Battery. The big one

Most Prius owners with vehicles from the early 2000's claim that their Prius battery lasted anywhere between 12 and 15 years. Some Prius owners boast of battery life that reaches mileage volumes of 200,000+ miles, but these cases seem to be rare A Prius' battery consists of 28 Panasonic nickel-metal hydride modules. Each of these contains six 1.2-volt cells says Green Car Reports. They are connected in a series and will produce a total of. I would either have to rig up a remote voltmeter, or perhaps Scan My Tesla shows the 12V battery voltage. As I recall, others have commented that running down the main battery puts stress on the 12V battery. If the vehicle stops keeping the 12V battery charged when the main battery runs low, the situation would be like an ICE with a bad alternator

Hi There. Prius 2011, about 103k miles, maintenance up to date, fairly new 12v battery. Lost power while driving, the Check Hybrid System heading came up on the dashboard. Made it to a shoulder safely and got the car towed home, thinking that I could maybe reset it. Tried restarting it but it won't turn on Specifically asked them if they did a health check. They will know what that means. I would have them run another diagnostic battery test/check while you watch and see the results. They are correct that any minor electrical problem or 12 V battery issue would not be covered under warranty. This is three years and 36,000 mile electrical warranty Check hybrid system message. So last night I was driving for lyft and had just picked someone up. I went to put it into drive and the message and every other warning light turned on. I read that it had something to do with disconnecting the battery for a few minutes so it could reset, that didnt work... about 2 minutes isn't enough? Help please The Prius 12V battery is somewhat special specifically because it is in the main cabin. They moved it to the engine bay in the 4th generation. The 12V battery is required to start the hybrid system. It is also a good idea to have it around as an electrical ballast for the 12V accessories. 7

How to Check the 12-Volt Battery in a 2004–2009 Toyota

The Toyota Prius check hybrid system light comes on it indicates that there is a problem with the hybrid system. You should not drive the car more than 40 mph, and don't use AC. If there is a place around You that can scan the vehicle, do that first. Write down whatever codes the scan shows. If there isn't a place around You, try disconnecting the 12v battery for about 2 minutes And second, Toyota says a Prius battery will last between 100,000-150,000 miles or between 8-10 years. However, there are owners that have eked out far more mileage, as well as others who've. The Toyota Prius is equipped with two types of batteries. The first one, found in almost all automobiles, is a lead-acid (Pb-A) 12V accessory battery. The second battery is designed for hybrid vehicles and is a Panasonic Metal Case Prismatic Module. The latter battery charges by running the on-board generator and by.

We will attach our diagnostic equipment and run a few tests to see the State Of Health of the low and high voltage battery systems. This service includes load testing the 12v battery, checking the hybrid battery cells for resistance, balance and also check the hybrid computer for any codes related to the vehicle hybrid system My 2010 Prius won't start, and I think that the 12V battery is low (looks like about 5V on my multimeter). It's in the garage now, and the unit right next to the fuse box is making one of the standard Prius noises (kind of a low whir/grind noise). I'm used to hearing that noise for a few seconds in normal operation, but now it's making it.

Check to see if you left your headlights or an interior light on and turn the switch off. If you have a ups for your computer, confirm it uses a 12v battery. Replace at 7 or 8 years. Next, push the tabs at the front of the fuse box and lift the lid cover vertically to get access to the prius battery Prius battery cooling fan cleaning requires cleaning. for the second and third generation of Toyota Prius, from 2004-2009, it does not have a intake air filter for the high voltage battery cooling fan, this creates a problem. Instead the fan itself becomes the filter, the fan located upstream of the battery on the right side, the fun collecting.

is the car battery flat,not the battery pack thats behind the back seat for the hybrid motor,as prius get flat batteries like a normal car if yo leave something on or because its 5 years old,I work for Toyota in Australia and thats usually the only issue but people get stressed because theyre hybrids,but get a good battery dude rehearsed in. I own a 2009 Prius (4 years and 4 months old) with about 33K miles on it. Last Sunday while driving the Check Engine Light (CEL) suddenly came on. I made it home and started digging for possible causes - everything from a loose gas cap to a failure in the water pump for the inverter to a 12V battery nearing the end of its life

check your 12v Auxiliary Battery self test (Toyota Prius

Prius 12 volt replacement battery. For all Prii the 12 volt auxiliary starting battery is located in the rear of the vehicle, towards the rear of passenger compartment or trunk. Because normal lead-acid batteries create small amounts of hydrogen gas during charge and discharge, the Prii use a modified version of the lead acid battery (called. If you're trying to start your Prius and the lights on the dashboard come on, but they're dim and flashing, you may be having trouble with your 12V battery. You will need to jump start it, if possible, and then have the battery checked at an autoparts store. Material Needed. Set of jumper cables; Step 1: Open the hood. To open the hood. 2012 Toyota Prius Battery A crucial part of the starting and charging system, without a good, working 2012 Prius battery you won't get far. We offer free battery testing and charging to take the guesswork out of determining if yours is on the way out, as noticeable symptoms can be scarce until it is too late There is an onboard diagnostics program on the Prius in which we can check the charge of the 12 volt battery when starting up. If the charge dips below 10.5-11 volts, we can look for a new battery. It will be more expensive than regular batteries as these are AGM specific, but at least they will last for 8-10 years In the end the question I asked was wrong. I had used the Prius as a host and did a reverse clarity jump that broke the 120 amp. fuse on the battery. The just answers mechanic did an awesome job helping me diagnose the real problem and fix it

CEL light on (solid), red triangle with "!" on, and hybrid

How to Check the 12-Volt Battery in a 2004-2009 Toyota Priu

2007 Prius (69k miles). Driving on highway, all caution lights came on. Towed to dealer and diagnosed with a 12-volt battery issue. $280 to replace the batter. Three weeks later, same cautions lights. Got most to clear with a restart with the exception of the master caution and the engine check lights STEP 13 Connect your battery charger to the 12V car battery, and put it in slow charge mode 12V/2amp. Let it charge for 12 to 24 hours. STEP 14 After charging, measure the voltage of the battery using a voltmeter. A battery that is in full capacity and good condition will have a reading of 12.4V to 12.43V However, they're having to go to it to get the energy density to support the EV range a Plug In Prius would need. (There's actually 2 batteries, the 200V NiMH hybrid or traction battery and a 12V battery that bootstraps the electronics. Think the little one is a normal but small lead acid battery Replacing the battery in your Prius involves removing the terminals. When you reconnect the terminals, your radio presets are likely to be cleared out. In some Priuss, you may need to re-enter a security code to get your radio to work again. Check for this code in your owners manual - it will usually be either a sticker or small card in the. Toyota Prius 12 Volt Auxiliary Battery with install kit for 2004, to 2015 & Plug-in. Availability: Usually ships the same business day. Optima+kit Year: 2004-2009 2010-2015 Prius V Lexus CT200h. If you need a battery for a 2000, 2001, 2002 or 2003 Prius click here. Save time and work use same battery with smaller connectors Both are in stock

How To Understand Toyota Prius Battery Health Using Dr

Prius. 1.5 Hatchback. Petrol. 2003. 2009. 155. Please note: The above fitments are provided by the battery manufacturers and are to be used as a starting point for finding the correct battery for your car. Below, our previous customers have told us what battery that they fitted to their Toyota Prius Step 4: Jump Start the Hybrid. Start the engine of the assisting vehicle or turn on the Quick-kick unit. If you are using a second vehicle, gently start to rev the engine slightly and maintain that level for about five minutes to give the dead battery enough electricity to restart the Toyota Prius For 2004-2009 Prius $499 Installed with 1 Year 20,000 Mile Warranty - Sale Ends 06/30/21. Click Here To Call or Text 909-297-6727. We know it costs a fortune to repair the Hybrid battery from a dealer and unfortunately, it has been the only solution until now, even including 12V Auxiliary battery. Don't give up your Prius yet The video above shows you how to replace the battery in your 2012 Toyota Prius C. We recommend changing the battery in Toyotas every 4 years. Although some batteries last much longer, most batteries begin breaking down chemically after four years, so you could experience dimmer headlights and other negative effects before you have a dead battery in your Prius C that you need to replace

#51 Prius 2 - HV Battery Health Check with Hybrid

On another note, before you decide to reset the Toyota Prius maintenance light, it is essential to understand the reason it lights up. As compared to the 'check engine' light, the maintenance lights up once you have covered a distance for 5,000 miles since its last reset. In such a case, the Prius would need nothing more than an oil change Hi David, I have Toyota Prius 2004 with 245000m am a Uber driver and the car just bring check engine sign and after some heavy traffic the car went off with check engine and the triangle light and since then I have to remove the 12v battery and replace it after some minutes for me to push it from road and since then car is not starting and the. My prius 2008 was excellant in fuel consumption with 56mpg and then i get it tuned by replacing plugs, cleaning throtle body, and over all cleaning and to my astounishment the fuel consumption increases to 43mpg..what could b the problem? Peter on May 30, 2018: Thanks for the answer, Dan. I will check on the 12v battery

Quick test of a Prius 12v battery - YouTub

As a hybrid crosses the 100K-mile mark and the vehicle takes on a new life in its older years, the battery systems that power the drivetrain will start to wear out and fail. While there's no onboard test for the lifespan or health of the battery, the best indicator of a properly functioning pack is the vehicle's fuel economy At its core, the health check includes a series of specialist inspections, including the following: We investigate the status and condition of your Toyota 'traction' battery. This is the battery that powers your car's wheels, and is separate to the 12v starter battery that's used to start the engine Hobbit talks about his Optima battery in his 2004 Prius. In stock. Our experience has been so good with the Optima Battery in the Prius 2004 + (less than 1% warranty issues) that we decided to offer it for the 2001 to 2003 Prius. Hobbit talks about his Optima battery in his 2004 Prius When buying a Prius battery from a Toyota dealership, expect to spend between $3k and $4—labor or installation charges not included. To give you an idea, here's a list of various hybrid Toyota models since 2001 (these are dealership prices): 2001-2003 Toyota Prius (1st generation) - $3,649. 2004-2009 Toyota Prius (2nd generation) - $3,939

1. Weak Battery. If your Prius's engine won't crank or cranks very slowly, then the most likely culprit is a weak or dead 12v battery. Investigating more closely and doing a battery voltage test will clarify whether the starting problem is due to the battery. A test can be done to measure the voltage between the battery poles, check the. Hybrid vehicles are known to do some pretty crazy things when the 12v battery is weak. Luckily there's a quick trick to test your 12v (on the 2004-2009 Prius) without ever leaving the drivers seat

Amazon.com: Dr. Prius HV battery diagnostic app ..

from a separate 12 Volt auxiliary battery. Numerous safeguards have been designed into the Prius to help ensure the high voltage, approximately 201.6 Volt, Nickel Metal Hydride (NiMH) Hybrid Vehicle (HV) battery pack is kept safe and secure in an accident Optima DS46B24R Optima battery direct fit replacement for Prius 2004 to 2015 , Prius V & Plug-in Prius with Instructions Availability: Usually ships the same business day DS46B24R Year: Prius 2004-2009 includes free hybrid battery cooling filter Prius 2010-2015 ncludes free hybrid battery cooling filter Prius V 2012-2017 Lexus hybrid CT200h.

How to Check the 12-Volt Battery in a 2004-2009 ToyotaPrius battery | PriusChat2005 Prius -- Problems after front brake pad change