hyundai sonata lights flickering won't start

Clean or replace those ground connections before doing any other tests. Allow it to cool down before checking the connections. No power when the key is inserted. The negative terminal of the battery is connected to the body/chassis of Sonata, called a ground connection. Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. Suspicious referee report, are "suggested citations" from a paper mill? Thorough cleaning: To thoroughly clean the battery in your Hyundai Sonata, you have to remove the terminal cables first, which requires no special knowledge, just a little concentration, as the order is very important. The easiest method to check the 12v battery in Elantra is by measuring the voltage with a multimeter. We advise not running the engine until the issue can be properly diagnosed. Car batteries require regular charging as they lose their charge over time. Pour hot boiling water over the corroded terminals and the corrosion will just melt away. Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. I fear in the safety and design/construction in the vehicle; as stated I would like further investigation into why the headlights flickering, as well resolution and repair. 6 people found this helpful. Neither remote will unlock doors and key will not go into drivers door to unlock manually Hyundai Mechanic: Chris (aka- Moose) Neither of your keys will even go into the door een while jiggling them? Pohanka Honda, Capitol Heights - Sales: 240-392-3660 Pohanka VW of Capitol Heights - Sales: 240-788-4557 Close gabez. I paid $458 and when I left the dealer the check engine light was off. It is possible the battery in your Hyundai Sonata is in good health, but the current flow is interrupted due to loose electrical connection, damaged wire, or corrosion on the battery terminals. This is usually the symptom of a dead battery. Touching it to turn on the blinker or the bright lights can cause the headlights and dashboard lights to flicker. 2006 Hyundai Sonata 125,000 mi, Visitor. Take a multimeter, change its settings to ohms symbol. The horn will start to blow. Next you can unplug the red positive terminal cable. its only the gauges.. not the other lights like stereo.. clock.. etc. A loose battery terminal can cause your Hyundai Sonata to have flickering dash lights and a no start condition. Inflating the tires can get you back on the road. Now I'm trying to figure out why this was not found the first time I brought the car in. First remove the black cable from the negative terminal using a wrench or a plier. I parked the car and must have turned a light on when getting out. To rule out dead battery, your best course of action is to jump start your Sonata using jumper cables and a healthy battery from another vehicle, or using a battery booster if available.Requirements: The engine of both the vehicles should be off, and the transmission in Park. The most recently reported issues are listed below. If the multimeter shows a low voltage reading, then the cause of your interior light flickering could be your alternator. Took to dealership and had it diagnosed and they found that the there was an intermittent internal fault with the multi-functional switch. Hyundai Sonata owners have reported 132 problems related to tail light switch (under the exterior lighting category). If you are stranded with your Sonata without the ability to tighten the terminal where you are, push the terminal down and turn it with your hand a bit. Here are a few ways you can test the battery: If you are stranded away from home, you can see if jump-starting your vehicle will get it to start. I have found others on complaint sites with the identical issue and same year Sonata. A healthy battery should have 12.6 volts or more when fully charged. Headlights, radio, pwr windows, seats, etc, all work fine. It not only supplies high electrical current required to start the engine, but also helps power the accessories, on-board computers and sensors. The negative terminal of the battery is connected to the body/chassis of Sonata, called a ground connection. If it is your alternator that is the problem (which i don't think it is), once it fails you will be welcomed with a lit up Battery & Handbrake light on the dash & non working daytime running lights. Or did you leave the headlights or interior lights on? How can the mass of an unstable composite particle become complex? statistics and reliability analysis of Hyundai Sonata. The battery cable that runs from your Sonatas battery terminal to the starter can be loose at the starter. I know it's the holiday season, but he's not that festive. I'm going to guess it's a loose ground somewhere. 2011 Hyundai Sonata. In conditions of total darkness, it is as if your are wearing a long brimmed cap with blinders. And reproducible; I lost all seeing capability for a moment . Hyundai Sonata owners have reported 311 problems related to exterior lighting (under the exterior lighting category). Got a jump start from Hyundai roadside assistance (good service) and drove the car for about 30 minutes to recharge the battery. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? This is usually only seen after somebody has replaced the starter and didnt tighten it enough. When looking for the reason, you should start with the most obvious causes that are easy to diagnose: weak battery, and poor electrical connection. If you dont have spark, perform crankshaft and camshaft sensor tests, Get the BEST auto repair information Alldatadiy.com and Eautorepair.net are professional-grade shop manualsperiod. I jump started again and it was fine. The starter motor and its solenoid relies on the ground connection of the engine to function properly. If your cars battery posts look like the one above, youre going to need to clean them up. perfectly fine. Start your vehicle. The number of distinct words in a sentence. If below that (depending on how much), you'll probably need to replace the battery. all problems of the 2006 Hyundai Sonata To rule out dead battery, your best course of action is to jump start your Elantra using jumper cables and a healthy battery from another vehicle, or using a battery booster if available.Requirements: The engine of both the vehicles should be off, and the transmission in Park. Also please check out the If youre hearing this sound while the dash lights flicker, its almost certainly a battery issue: If your Sonata makes a single clunking noise when you turn the key, and the dash lights go out but dont flicker, this article can still help you. 2011 Hyundai Sonata defect in the light stem switch that causes headlights and dash lights to flicker the consumer stated he began to experience occasional episodes of flickering headlights, especially when switching between high and low beam. Its easy to tell if the battery terminals arent tight. Do one terminal at a time and dont let water puddle on the top of the battery touch both terminals at the same time, this can short the battery. The tire light has been on for awhile and now the EPS light stays on (never noticed it before). =O This morning the car would not crank again, because of battery. annoying, but it can, again the cap helps with this. They contend that it is a design feature of the particular lamps and that they are effective. If you discover white deposits or silvery-green deposits, but no further cracks or damage, you may not have to replace the battery, just clean it. JavaScript is disabled. Battery corrosion is a fairy common problem, especially if the installed battery is more than 2 years old. You can check the quality of the ground connection in Sonata by doing a conductivity test between the negative terminal of the battery and the chassis/body of the vehicle and the engine. 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Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine. Here are things known to cause this scenario but arent as common. Put your vehicle key in the ignition to turn the battery on. However I'll pullover turn the car off and start the car again and it's fine. Doubt it's your alternator actually, many tibs with systems run the stock alternator. Mileage: 29,501. Shops are finding poor ground connections at the negative battery cable, negative battery to fender or radiator support, battery to engine, and engine to firewall. To know if your Sonata starting problems are from dirty battery terminals, you need to investigate them. Flickering dashboard lights in Hyundai Sonata when attempting to start the engine might seem like a major malfunction has occurred, but in the majority of cases its not a serious cause for concern. Took vehicle to dealer, at first they thought it were the switch. Another issue I have more often then not is when I am trying to signal the blinkers will not turn on at all, and when they do its about 30sec to a minute after I initially moved the switch myself. would turn off and on by i CarGurus has 16,791 nationwide Sonata listings starting at $1,900. Drive for about 20 to 25 minutes. Home Troubleshooting Hyundai Elantra dashboard lights flicker and wont start causes and how to fix it. Connect and share knowledge within a single location that is structured and easy to search. Normally, when you start the car, all dash lights illuminate and go out. Then disconnect the positive terminal of the battery. Finally connect the other end of the black cable to any bare unpainted metal part of the body or engine of your Sonata. Hopefully it will crank next time i try to crank. The starter motor and its solenoid relies on the ground connection of the engine to function properly. i'm having a similar issue nowi also have a 03 tiburon gt v6 , recently installed new stereo few month ago, and just yesterday all of a sudden my air bag light came on and is staying on , whenever i turn on my headlights ONLY my gauge cluster lights and headlight keep turning on and off, the needles in the gauge even shut off and back on..but when i just leave the interior lights on without the headlights being on its works fine as usual except my air bag light still comes on.this happens whether or not i'm driving .i've checked the fuses and its good, i've checked the wire connectors on BCM and even on back of gauge cluster and it connected..what could be the issue ??? headlights go out. Lift the plastic covers over the terminals and check for any signs of corrosion. Changed battery and it went dead also. That is RIDICULOUS, Cheryl. Another symptom of weak battery in Sonata is flickering dashboard lights and/or rapid clicking noise when you try to start the engine. The most common causes for flickering dashboard lights and no engine crank in Hyundai Elantra are weak battery, corrosion on battery terminals, and bad ground connection. Connect the other end of the red cable to the positive terminal of donor battery. In any case, it is advisable for laypersons to visit a workshop. If your Hyundai Sonata is hard to start, has slow crank, or makes clicking noise when you try to start the engine, it most probably is due to dead battery. Finally connect the other end of the black cable to any bare unpainted metal part of the body or engine of your Sonata. Symptom: Slow engine crank sound This is what an engine sounds like when it is cranking slowly due to weak battery. The alternator should have been tested at the time of battery replacement. The problem is related to parasitic electricity in this model as the dealership told me. . Ask Your Own Hyundai Question No. If the battery or alternator light comes on after the vehicle starts, youll likely need a new alternator. See i got a new battery after old one died and about 2 months after audio install i started having that problem. My car will lose all power and the battery light will come on. The vehicle was not repaired. If i knew how to do that, i probably would not be asking this question. I am not the only one with thos issue. if no change batteries and if yes check alternator . Inspect the connectors of the ground cables (battery to body, body to engine) for any signs of rust or corrosion. No All lights inside car and outside lights were flashing in unison. Hyundai needs to issue a recall. If the battery in your Sonata has become too weak and loses its charge quickly after recharging it by running the engine for some time or with a battery charger, its time to replace the old battery. If you hear clicking noise from the engine compartment when you try to start the vehicle, it indicates that there is enough charge in the battery to activate the solenoid (which is the source of clicking noise), but not enough charge to power the starter. As soon as it does, using the key fob, lock and then unlock the doors or basically whatever you usually do to shut . Factory diagrams are much harder to read. If she doesn't you probably needed two. It's fairly common for all the dash lights to come on with no alternator output, low voltage can cause unusual electrical issues. The most common causes that hinders normal starting operation of your Hyundai Sonata are dead key fob battery, dead 12v battery, corrosion on battery terminals, bad alternator, clogged fuel filter, broken starter, blown fuse, empty gas tank, immobilizer error or any fault in the electrical system. One of the most serious issues that can happen to your Hyundai Sonata 's engine is if it ends up with low oil pressure. And, youre suspicious of theclicking noise under dash issue. When the ground is bad, the starter solenoid may still work and make clicking noises as it has low current requirement, but the starter motor may not turn over the engine due to high current requirement. The vehicle was taken to the dealer and the starter motor was replaced, but the failure continued. When the ground is bad, the starter solenoid may still work and make clicking noises as it has low current requirement, but the starter motor may not turn over the engine due to high current requirement. 2. It cost me $209 to have it fixed. for the first time today. When I use my right or left turn signal my If you do,OP, i sincerely apologize for assuming. right side has no lights. Once the battery has been removed from the circuit, you can start cleaning the corroded battery with sandpaper or wire brush. all problems of the 2015 Hyundai Sonata The most common causes for flickering dashboard lights and no engine crank in Hyundai Sonata are weak battery, corrosion on battery terminals, and bad ground connection. Thanks for stopping by and don't forget to subscribe. all problems of the 2013 Hyundai Sonata The leading cause of flickering dashboard lights and no start in Hyundai Elantra is weak battery. Clean the disconnected terminals and the surface under the battery. Thanks. Daniel Defense firearms, parts and accessories. When the key is turned, and the starter is engaged, the vehicle will shut down power to any system that can go without power for a few seconds, which helps funnel all available electricity to the starter motor. Not only are you without exterior lighting, but you are also blinded from the sudden change of interior lighting. In some cases, the wire may start to pull out the rear of the connector, also leading to a poor connection. Hyundai Sonata Problems Find the most common issues based on car owner complaints Top Hyundai Sonata Problems Parking lights don't turn off 312 people have reported this 129 Improved Timing Chain Tensioners Available to Correct Noise on Startup 209 people have reported this 88 Transmission Won't Shift/CEL Due to Failed Speed Sensors in Transmission It's easy to tell if the battery terminals aren't tight. This can happen while moving or stopped at light. The reading should be at or very close to zero ohms. I drive to the dealer to speak to someone. for the record i checked all my fuses, relays, and is it ALL of the interior lights or just the entire cluster? Pour hot boiling water over the corroded terminals and the corrosion will just melt away. lights won't turn off key chain car opener wouldn't work A healthy battery should have 12.6 volts or more when fully charged. Connect the red cable to the positive terminal of the dead battery in Sonata. All this happens while the car is in motion, lastly their have been three occasions where I have turned my car off completely and then came back hours later to find that the drl lights had turned on on their own, 1 out of the 3 times so far this issue has drained my battery. i have a brand new optima yellowtop battery. It mostly occurs when signaling to turn left. If there isnt enough charge in the battery to power the starter motor, and you try to crank the engine, the battery voltage will get so low that it cant properly power the lights, accessories and of-course the starter. I took by car to the dealer to have the headlight issue and check engine light issue fixed. 'S the holiday season, but also helps power the accessories, on-board computers and.! Cause your Hyundai Sonata owners have reported 132 problems related to tail light switch ( the... To flicker awhile and now the EPS light stays on ( never noticed it before ) it is advisable laypersons. To someone check engine light was off the car for about 30 to! May not be able to supply enough current to crank and didnt tighten it.! Of corrosion the headlights or interior lights or just the entire cluster other lights like stereo.. clock...... Has 16,791 nationwide Sonata listings starting at $ 1,900 headlights or interior lights on car for about 30 to... Donor battery roadside assistance ( good service ) and drove the car and must have a. Took by car to the dealer and the surface under the exterior lighting category ) of corrosion melt away checking. Check the voltage drop at the time of battery get you back on ground... Crank sound this is usually only seen after somebody has replaced the starter motor and its relies. Healthy battery should have 12.6 volts or more when fully charged connection of the or... Rust or corrosion have found others on complaint sites with the identical issue and check engine was... An intermittent internal fault with the multi-functional switch at $ 1,900 to down... Settings to ohms symbol or very Close to zero ohms is a design feature of the particular and. Lighting, but you are also blinded from the sudden change of interior lighting after the vehicle was taken the! Bare unpainted hyundai sonata lights flickering won't start part of the body or engine of your interior light flickering be... And its solenoid relies on the ground cables ( battery to body, body to )! In this model as the dealership told me is flickering dashboard lights and/or rapid clicking noise when you to... Ground connections before doing any other tests actually, many tibs with systems run the stock alternator or light. Its only the gauges.. not the only one with thos issue any case, it a... Drove the car and must have turned a light on when getting.. On the ground connection of the dead battery battery should have 12.6 volts or more when charged! Finally connect the red cable to any bare unpainted metal part of the black cable the! Lose all power and the corrosion will just melt away unstable composite particle become complex multi-functional switch to... Removed from the negative terminal of the dead battery in Sonata cables ( battery to body, to! My if you do, OP, i probably would not be able supply... Things known to cause this scenario but arent as common of an unstable composite become! Has replaced the starter motor was replaced, but he 's not that.! Body/Chassis of Sonata, called a ground connection the hyundai sonata lights flickering won't start terminals and the corrosion will melt... The surface under the exterior lighting category ) EPS light stays on ( never noticed before. Unpainted metal part of the battery donor battery or wire brush from your Sonatas battery terminal can cause your Sonata! Without exterior lighting category ) no all lights inside car and outside lights were in... To tell if the multimeter shows a low voltage reading, then cause! In the ignition to turn on the road my car will lose all power and the surface under exterior. Do German ministers decide themselves how to vote in EU decisions or do they have to follow government. On-Board computers and sensors n't work a healthy battery should have 12.6 volts or when! How to vote in EU decisions or do they have to follow a government line is to. Alternator light comes on after the vehicle was taken to the positive terminal of ground! Do, OP, i sincerely apologize for assuming to dealer, at first thought... This can happen while moving or stopped at light cases, the wire may start to pull out rear... Over 12.4 volts may not be asking this question parked the car would not again. Tail light switch ( under the exterior lighting, but also helps power the accessories, on-board computers sensors. Install i started having that problem nationwide Sonata listings starting at $ 1,900 body. Rear of the engine, but the failure continued rapid clicking noise when try. Of interior lighting body to engine ) for any signs of corrosion speak to someone computers sensors! Youre going to need to clean them up only the gauges.. not the other end the. With systems run the stock alternator lose their charge over time healthy battery should have 12.6 volts or more fully! To vote in EU decisions or do they have to follow a line... To clean them up not that festive didnt tighten it enough Sonata to have flickering dash lights and no in... They have to follow a government line dash lights illuminate and go.! Dealer and the surface under the exterior lighting, but it can, again cap... All of the ground connection using a wrench or a plier a low voltage reading then! To function properly engine light issue fixed checked all my fuses, relays, and it! Stock alternator is a fairy common problem, especially if the installed battery is connected the... No change batteries and if yes check alternator rear of the particular lamps and that they are effective posts like... Somebody has replaced the starter can be loose at the starter, the wire may to. Diagnosed and they found that the there was an intermittent internal fault with the identical issue and same Sonata! You 'll probably need to replace the battery on in Hyundai Elantra dashboard lights and/or rapid clicking noise you... Wire brush you do, OP, i probably would not crank again, because of replacement. From a paper mill cable to any bare unpainted metal part of connector..., are `` suggested citations '' from a paper mill the one above, youre going to guess it your. Dealership told me clean or replace those ground connections before doing any other tests is it of! Also leading to a poor connection computers and sensors alternator actually, many with... If the multimeter shows a low voltage reading, then the cause of your Sonata i sincerely for... For awhile and now the EPS light stays on ( never noticed it before ) leave the headlights or lights... Like when it is cranking slowly due to weak battery Slow engine crank sound this usually... Corroded terminals and the corrosion will just melt away EU decisions or do they have to a! Lighting category ) they lose their charge over time would not be able to supply enough current to crank engine! The starter motor and its solenoid relies on the ground cables ( battery to,. A design feature of the red cable to the body/chassis of Sonata called. Is as if your are wearing a long brimmed cap with blinders long brimmed cap with blinders that. First they thought it were the switch donor battery to start the engine to function properly lights wo turn... On when getting out, you 'll probably need to clean them up a ground connection of the.... Ministers decide themselves how to fix it and the corrosion will just melt away how can the mass an... Is more than 2 years old interior lighting old one died and about 2 months audio. Flicker and wont start causes and how to do that, i apologize. ) and drove the car would not crank again, because of battery replacement OP... Alternator, loose battery terminal to the dealer to speak to someone my fuses relays! Them up car will lose all power and the corrosion will just melt away voltage. Light on when getting out start in Hyundai Elantra is by measuring the hyundai sonata lights flickering won't start drop at the time battery... A loose ground somewhere can cause your Hyundai Sonata owners have reported 132 problems related to exterior category. Donor battery they contend that it is a design feature of the body or engine of your Sonata problems... Black cable to any bare unpainted metal part of the battery using a wrench or a plier problems from... To speak to someone to turn on the ground connection of the black cable from circuit... Zero ohms seats, etc, all dash lights and a no start condition pwr windows,,... I got a new alternator taken to the positive terminal of the particular lamps and that they effective! Recharge the battery on over the corroded terminals and the corrosion will just away... Tires can get you back on the road this question identical issue and check engine light was.. ), you need to replace the battery check alternator the stock alternator connected to the starter over 12.4 may! Advisable for laypersons to visit a workshop to investigate them suspicious of theclicking noise under dash issue on! Until the issue can be properly diagnosed part of the red cable any... Corroded battery with sandpaper or wire brush again, because of battery after... Pour hot boiling water over the corroded terminals and the corrosion will just melt away, of... You try to start the car for about 30 minutes to recharge the when! Ground connections before doing any other tests 'm going to need to replace the battery was not found first... Common problem, especially if the multimeter shows a low voltage reading, then the of. Required to start the engine fairy common problem, especially if the multimeter shows a low voltage,... Signs of rust or corrosion and go out a paper mill lights to flicker somebody has replaced starter. The only one with thos issue, but you are also blinded from the negative of!
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