Prius contains two batteries, and battery issues are common reasons why it wont start. This starter is basically an electric motor that is turning over the engine to start. Other things can cause a rattling knock, such as a misfire caused by a bad spark plug and/or ignition coil. Are you experiencing a problem with your Toyota Prius? All lights turn on on the dashboard, but the car would not start. They are very cheap and you will not lose a lot of money on them. Please replace the first two. I've never replaced it before but the dealership may have. You need to hold down the "Power" button for 3 seconds or more and the engine will shut off. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. This is easily accessible on most cars. Cylinder Number 1. It's got to be easy, but I just cant find it. Check the fuel filter. With this tool, you will be able to access the computer and read the codes. There are occasions where this security system will cause the Prius to not start. Like before, the fuel gauge flashed several times but disappeared once I started driving. Corrosion on the 12v battery terminals can prevent them from getting power, but they can be cleaned up easily. It looks like your Mac is dead. The Prius is probably one of the most controversial cars out there. This is one of the possible reasons why your Toyota Prius won't start. The Prius Master Warning Light can be turned off by resolving the underlying issue causing the warning light to appear. Tip: You can try starting your Prius with its second key. Attempting complex repairs yourself can result in further harm and put you at risk if you are unfamiliar with the work involved. On average, repairs for a Prius can cost anywhere from $200 to $1,000, depending on the extent of the issue and the mechanics labor rates. Hopefully, once the code has been addressed your Priuss engine will start again. Tighten up the clamps on the terminals and also clean them if they have rust buildup on them. So, in this situation precisely, maybe the fuse has blown. A low battery can put extra strain on a starter, causing damage over time. A bad alternator can cause your battery to lose enough charge to start your Prius. If the voltage is low, the battery may need to be charged. Make sure that there is proper contact. One of the biggest issues that causes a vehicle to crank but not start is ignition issues. And this involves when the car is cranking but the engine simply doesnt want to start. They're expensive as hell but whaddyagonna do. However, if a hybrid car's battery dies, you'll lose your electric motor, which means that you won't be able to accelerate anymore or brake since all of that power comes from the electric motor. I hope this helps you fix your Toyota Prius if it wont start, but it does turn on and make some noises. While the plugs themselves may not be the issue, plug connections on the system can come loose. To jumpstart a Toyota Prius, follow the same method you would with any other car. **Additional Context:**These are the 5 most recent issues I've had with my Prius. Community Experts online right now. In some vehicles, the 12v battery starts the car, but in a Prius, the hybrid battery is responsible. Problems with the fuel delivery components or the lack of fuel all of these can attribute to this problem. Did you figure this out? The most likely reason for this situation is that the metal arms on the solenoid are worn down. And whenever you want to fix your car make sure that you go to a car electrician for this problem. Prius Wont Start Why Is This Happening? If only you could start moving while the cables are attached, it would be fine. Tried starting the car in the morning but faced the same issue where I couldn't even open the car door. My Prius 2015 has the same problem as yours. The content of this field is kept private and will not be shown publicly. Knowing why it is happening is half the battle but it does allow for some relief. Weak Battery And that is why your Toyota Prius wont start. To correct this circumstance, if youre handy with cars, you can simply drain a little out with the same steps youd use if you were. But I'm assuming it's a bad 12V since jumping it starts it. Have you encountered this error code to cause the Prius from turning itself on? The flashing disappeared once I started driving and I had more than half a tank of gas so I don't think it was a gas tank related issue. In rare cases, a blown fuse could also be the culprit in the breakdown of your Prius. In most cases, you can press the power button and hold it for a few seconds to turn off your Prius engine. The solenoid is located on top of the starter and they work in pairs. So, its getting old, even though Toyota is trying to give it a refresh each year. The 2012 Toyota Prius car makes a clicking noise but won't start: If you turn the key to the "Start" position, but the engine won't crank; all you hear is a single click or repeated clicking coming from the engine compartment. There is a slight draw on the battery keeping memory for the computers and the sensor for the smart key running. My mechanic recently checked the 12V battery (2 weeks ago) with a volt meter and tested it by turning the Prius on and off several times but there were no apparent issues with it at the time. If you can't start your car after sitting for a while, this may be the problem. The dirty filter can cause the fuels pressure to decrease and the engine to not receive enough to start. Thanks for your help! This is quite a simple thing to do for every beginner and you can give it a try. You don't hear a startup chime, a fan spinning, or a drive noise, and your monitor is blank. If the key fob battery is bad, it can cause the car not to start when using the push-start button. Overall, the best thing you can do to keep your Prius in tip-top shape is to adhere to all of the manufacturers maintenance recommendations. When the battery cannot hold its charge, it causes many problems with your car, including when you turn off the key and remove it, none of the lights on the dash go out. Defective or incorrect spark plugs are a common cause. Lastly, we will focus on the costs involved in fixing this problem. The engine coils are essential for the car to crank. When in this situation, start with the basics and check your car battery. The Prius wont start issue? Try the jump, or if you have an alternate means of transportation to obtain the replacement battery. Once the chip is not powered, it won't send the needed signals and the immobilizer will not understand if the key is in the car. While some problems may be simple and easy to fix, such as replacing a weak battery or fixing a blown fuse, others may require more complicated repairs such as replacing a faulty sensor or fixing a malfunctioning ignition system. The important thing for you is to not get desperate and think positively. Display buttons in Steering wheel not working after Jump. Push the power button and hold it for a few seconds. The Toyota Prius has a lot of great benefits, but the benefits are only as great as the car will start. Shake, Rattle And EGR? Your Toyota Prius could not be starting due to the following possibilities: Dead Key Fob Faulty Starter Failing Battery Bad Alternator Defective Spark Plugs Bad Fuel Pump Clogged Fuel Filter Security System Issues Blown Fuse Clogged Fuel Lines While this list may be long, it could be something simple that is causing your Prius not to start. If the car wont start but the battery is not dead, the cause may be a faulty ignition switch, starter relay, or starter motor. 1. I should be good. Then we learned if the battery of the Prius can make it not work and the answer is no. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. My Gen2 Prius has failed to start several times over the last few weeks, I'm hoping to get some advice on the cause. Prius Shifter B Mode: Everything You Need To Know. In this article we covered everything you need to know when it comes to Prius wont start problem. The thing is that sometimes we need to accept these things as simple bad luck. Youll probably have a misfire related code such as P0300, P0301, etc.. Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more. When the starter isnt functioning, it is impossible to start the vehicle (unless its a manual, then you can pop start it). Rolled my Prius, motor won't start now. Especially Prius owners since we are covering the Prius wont start problem. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Good luck with the diagnosis. Replacing them will hopefully fix your Prius wont start problem on the car. Before your fuel pump stops working, it usually becomes noticeable: if your cars engine breaks down from time to time, the car is difficult to start, the engine jerks a little or the engine performance drops, you should have your pump checked. I bought a new battery from the dealer. The fuel system delivers fuel to the engine. Will Prius turn off without a key? Some of the issues can be diagnosed and fixed at home, while others may require a visit to the mechanic and additional parts. Observe the start button as you press the brake when starting. And the Prius sold quite well and is still selling in good numbers even 18 years after the second generation was introduced. If you determine a new hybrid battery is needed, be conscious of pricing, as many dealerships ask top dollar for replacement batteries. Due to risk of electrocution, as the battery produces over 200 volts, its recommended to get it checked by a professional mechanic. But, there are less things to troubleshoot than if it were cranking but will not start. The last two times (both today) it started on the second try. A faulty ignition is one of the most common problems. This means that part of the exhaust fumes is sent through the intake manifold to be re-burned in the engine. My 2000 Ford Windstar's Starter Motor doesn't seem to Be able to Turn the Motor Over when trying to start it. I do not have an OBD2 scanner and have no idea what that even is. This is the case because the engine is hydro-locked. The way to diagnose this problem is with an OBD2 scanner tool. What To Do? Tighten up the clamps on the terminals and also clean them if they have rust buildup on them. If your Toyota Prius won't start but the lights come on, here's a quick fix you can try: Step 1 Check the battery connections. Seized Engine. Because of the high voltage of the hybrid battery, its best to always have a professional mechanic specialized in hybrids to diagnose and fix any issues with it. Waited a few minutes. Our battery design allows airflow between cells to keep the temperature within the battery lower for ultimate performance. You should hear the fuel pump trying to prime your Prius's engine. Regardless, being aware of the possible causes can help you make informed decisions about how to address the issue and keep your car running smoothly. Vaughn is a seasoned off-roading expert and professional winch specialist. In principle, this can affect all vehicle systems such as the fuel supply, the oil supply or the power supply. After this, you'll want to wait at least 30 seconds before attaching it back on for a full reset. The OBDII codes stored in the computer can really help diagnose the issue. If the battery in the smart key is dead you will need to insert it in the vehicle to get it to start up. There is a slight draw on the battery keeping memory for the computers and the sensor for the smart key running. **Actions Taken:**I have attempted to look into what the problem may be on my own but could use guidance from more knowledgeable people such as yourselves. Reply, I think you might be right, looking into the starter solenoid clicking. Spark plugs also fail and can make your Prius wont start problem to appear. But how much money do they cost? Toyota did at one point issue a TSB or technical service bulletin regarding the matter. The internal combustion engine will not start in your Prius if the high voltage battery has failed. If your battery no longer has enough charge to turn the starter, your Prius will not start. Starter repairs require technical expertise and specialized tools and are best left to a professional mechanic. With years of experience, Ricardo guides others to make informed decisions on winches and related automotive equipment. Ask me anything! 5 Ways to Connect Wireless Headphones to TV. Check out this wild new battery tech that Tesla has and why it will forever change the auto industry. The second way that your Prius wont start is when the engine turns when you engage the starter, but it wont fire and run on its own. Driving slow cars is a really frustrating thing to deal with and you dont want that. For more maintenance guides, check out these articles: Engine Knocking At IdleWhat Could Be Wrong? If the security system is what is preventing your car from starting, there will be a security warning on the dash when you try to start it. If your Prius has push start/stop button, then its possible that your vehicle may not start due to weak key fob battery. I also had an issue with my 2008 toyota prius. If it's just sitting there connected to the vehicle, it will be completely dead in two weeks or so of non use. I'm not sure if it is the original, I bought it used in 2013. So, what does the battery have with the ability to start the engine? So, if you have properly heard some whining noises or grinding noises from the engine. The only expensive stuff involves replacing the starter motor or the alternator and these could cost more than $500 in most cases. Any ideas would be most welcome. Although the 12v auxiliary battery in Prius is not responsible for starting the engine (since there is no starter motor), but it keeps all the electrical system running while your car is parked. They include: 1. Hopefully it does! Most modern vehicles come with smart keys that have electronic protection built in. The electronic locks, windshield wiper were not working. Overall, the best thing you can do to keep your Prius in tip-top shape is to adhere to all of the manufacturers maintenance recommendations. If you havent replaced them replace them and try again. Purchasing a new or refurbished battery from a respected manufacturer, such as. Your email address will not be published. If the security system is malfunctioning, the car wont start, even if the battery and other systems are working properly. Inside the key fob, there is a transponder. Why is this the case? If you are thinking of a used Prius, take a look at what people ask me the most about each generation. And unfortunately, they can cost a lot of money to fix. Well, they have quite a lot in common. As we noted, there are two scenarios, when the car doesnt want to crank and when it cranks.