The hybrid battery voltage drops when the hybrid transaxle is left in “N” position. This light comes on in the following cases. The system works properly if you put the hybrid transaxle in “P” position and the light goes off. I'm posting on behalf of a friend. All information how to reset hybrid battery warning light on a Toyota … Learn how your comment data is processed. She's got a 2004 Prius (basic package) with 104,000 mi. Save my name, email, and website in this browser for the next time I comment. You can see how a malfunction of this system while on the road, could cause an accident and negatively impact your safety, so it is vital that you get your vehicle serviced immediately if you see this dashboard warning light come on. After taking the specified steps to correct the suspected problem, check that the warning light goes off. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Pheoni, Nov 5, 2007. lamp, and will not drain the aux battery. This Tech Tip will show you the ropes by guiding you through a diagnosis on the Prius. I saw my battery voltage to be 11.9V (less than the range of 12.4-12.8V as someone in the forum said). Hopefully your repair is as simple as … 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. When in EV-Drive mode, an indicator light … The P0A80 code is a sign that your hybrid battery pack is experiencing cell failure, which is shown as a malfunction in the vehicle’s battery management system. If this light comes on with the “READY” light on in case of b., stop your vehicle in a safe place and contact your Toyota dealer. I'd check my oil level and if it's dry, that's probably the reason. The hybrid battery voltage drops when the hybrid transaxle is left in “N” position. Designed to alert potential theives that the alarm is active. Showed me the service lights that came on. Anyway when i started the car it displayed the warning (Hybrid system malfunction) with the check engine light on as well, but the car starts and moves normally. If you like to reset any maintenance oil light after an oil change. Some of these conditions relate to hybrid system temperature, coolant temperature, road speed, battery charge, accelerator pedal position, etc. This warning light generally points to an issue with your anti-lock brakes or the Brake Assist system. Most automakers include a warning light to let the driver know of any problems with the hybrid system. When she pulled over, she turned off the car and turned it back on. 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I have now disconnected both HV orange plug for HV pack and negative cable to 12 auxilary battery. Last week the Master Warning Light came on along with the check engine light. How to reset the maintenance light and how do you reset service light for all Toyota vehicles. When the check hybrid system warning light comes on in a 2013 toyota prius cwhen the check hybrid system warning light comes on in a 2013 toyota prius c, check the fuse for the hybrid battery to see if it's functioning or needs to be replaced. Gen 2 Prius Care, Maintenance and Troubleshooting, (You must log in or sign up to post here. The bad news is the driver may not know the lights came on and doesn't turn them back off. The READY indicator changes from a flashing light to a solid light and the buzzer sounds to indicate that the hybrid system is starting normally. This light may come on when driving under severe operating conditions. Your email address will not be published. Easiest way to test hybrid battery cells? If this light comes on with the “READY” light on in case of b., stop your vehicle in a safe place and contact your Toyota dealer. Today while she was driving, the accelerator stopped working and the car forced her to pull over. If the light comes on while driving, you should pull over safely and shut off the car for a few minutes. ICS OFF indicator (flashes)* Find how to reset any maintenance light or reset oil life after an oil change for all makes and models. This is due to the system triggering a “fail-safe” mode that shuts off the gas engine. However now I cannot get the vehicle back to drive ability. Toyota Prius: Check Hybrid System Light On It may be difficult to diagnose a vehicle that has components you aren’t familiar with. Write in the search box the car name for which you want to find information, and find how to reset other service reminders by yourself. This is an information site where you can solve your car problems. Or any warning light for service reminder which appears on the display. I just got this message (check hybrid system) from my 2011 Prius (320,000 miles). The manual said they were the "Take to dealership NOW" and the LCD showed the "Hybrid system warning light" in the upper left corner. Required fields are marked *. She had 1 bar of battery and was able to drive again. (For example, when driving up a long steep hill.) Your email address will not be published. Hybrid drive systems are complex, so the light can come on for a variety of reasons. After a while, the check engine light goes off. They all came on together. HELP!! Click hear to see full procedure how do you reset the oil light indicator. Whenever my Prius does this (twice in the last 10 years, where it's happened and gone away) it's because it suddenly burned a ton of oil and was critically low. This site uses Akismet to reduce spam. I have set off the hybrid warning system when I reinstall the orange safety plug. So my 2016 Prius needed a jump start after it displayed that the 12V battery was low, Maybe i'm not running it enough due to the quarantine and all, even though i used it just yesterday. This light may come on when driving under severe operating conditions, and the output of the hybrid system may temporarily decrease in order to protect the system. Reset hybrid battery warning light Toyota Prius second generation XW20. If I turn the car off for 20 minutes, the hybrid light is off but the check engine light is on. It happens when you see that warning light on your hybrid system indicatorand don’t know what to do. Send us a comment if our procedures are correctly. By monitoring battery temperature, voltage, and individual cell resistance, the HVBMS diagnose your … a. Most automakers include a warning light to let the driver know of any problems with the hybrid system. I think this problem is related to moisture somehow entering the hybrid vent on the driver's side. When she pulled over, she turned off the car and turned it back on. (1). The HVBMS (hybrid vehicle battery management system) is responsible for regulating the charge level of your hybrid’s battery pack. SOURCE: prius warning light is blinking This is the security indicator light. What the hybrid drive system malfunction warning light means. Or reset check engine light, airbag light, inspection key or insp errors when maint reqd, for Toyota cars. Take your hand off the switch once the hybrid battery charge mode indicator starts to blink. Has anyone else out there had to replace their hybrid battery? I also have the check engine light on along with the brake system warning light and slip indicator. She had 1 bar of battery and was able to drive again. If you own a 2011-2017 Toyota Prius C and a warning message pops up on your display that reads.."Maintenance Required for Hybrid Battery Cooling Parts at your Dealer", don't freak out. Low hybrid battery (traction battery) warning light (warning buzzer) Outer frame of indicator flashes when the hybrid battery (traction battery) level becomes low because the shift position is left in N for a long time. Warning light/details: Hybrid system overheat warning light (warning buzzer) The hybrid system has overheated. Let’s see what you can do in this case. My Toyota Prius hybrid warning light has come on three times in eight years. b. Warning light system comes embedded with every car to let the driver known about the possible issue. (adsbygoogle = window.adsbygoogle || []).push({}); If you like this website and find it useful, help keep this website free and actively developed by clicking the donate button. 06 Prius stops accelerating, all warning lights on icluding hybrid system warning light. Hybrid drive systems are complex, so the light can come on for a variety of reasons. The hybrid battery charge mode indicator illuminates when the switch to hybrid battery (traction battery) charge mode is complete. Every light has its meaning, and as hybrid warning systems ar… The hybrid battery (traction battery) charge mode will be canceled by pressing the EV/HV mode selection switch or EV Auto Mode switch. I wanted to check the cell voltage on my 04 Prius HV battery . Method 3 of 4: Rebooting the warning lights. After the car has been sitting/idling for 16 hours, I press the power button once and turned the head light signal 3 times while holding the MFD Info button, then "Menu", "Display Check" and "Vehicle Signal Check". *The maximum charge amount in the hybrid battery (traction battery) charge mode is approximately 80% of the fully charged capacity for … Hybrid system overheat warning light (warning buzzer) Indicates the hybrid system has overheated. The car starts and I am able to move it. The hybrid battery is discharged. Full procedure how do you reset service light indicator. This results in the dreaded dead battery and requires a jump start. She said that the battery charge meter went down quickly (1 bar a second). It is a L.E.D. In addition to the big red triangle of death there are a few things you can do to confirm your hybrid battery is dead. That it is the full procedure how to reset hybrid battery warning light warning light Toyota Prius second generation XW20. From year: 2003, 2004, 2005, 2006, 2007, 2008. Another frequent occurrence with the 2004 Prius is that it will suddenly lose power while it is moving, and all of the warning lights on the dashboard will illuminate, including the Check Engine light. Press and hold the switch. In EV drive mode, the electric motor, powered by the hybrid battery, is used to drive the vehicle. Maintenance Required reminder light Reset hybrid system - Answered by a verified Toyota Mechanic. 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