If the problem is a bad alternator, your car will slowly lose power. If the connector comes out, securely plug it into the rear of the assembly. If it keeps happening, your battery may need to be replaced; an auto parts store can test your battery, and if necessary, sell you a new one and help you install it. Vehicle does not have to be in motion for this to occur. If either terminal is loose, tightening it should get your dash lights to stop flashing and get your vehicle to start. I c. It will cut on and all the lights works but it won't start or turn over I checked battery starter alternator 204 Hyundai sonata . Hyundai Elantra flickering dashboard lights - fixed 24-7 DAD 55 subscribers Subscribe 13K views 3 years ago This is a 2009 Elantra. It is possible the battery in your Hyundai Sonata is in good health, but the current flow is interrupted due to a loose electrical connection, a damaged wire, or corrosion on the battery terminals. With headlights engaged at night (with headlight switch in auto or manual) the dash lights will flicker and headlights will momentarily go out when the turn signal is engaged. Home Troubleshooting Hyundai Elantra dashboard lights flicker and wont start causes and how to fix it. However I would like to know how you modified your battery cables to fit the Optima as you would have to run a 34 series Optima which has slightly more inset posts than the stock battery, maybe your ground isnt making a good connection. On Hyundai cars, this is called the Malfunction Indicator Lamp (MIL), but you'll probably know it as the check engine light. all problems of the 2007 Hyundai Sonata I just bought a new battery and still having the same problem. ever since I did an audio install. There are many reasons why your Hyundai Sonata dashboard lights flicker and wont start. Inspect the connectors of the ground cables (battery to body, body to engine) for any signs of rust or corrosion. Warning: There is always a risk of burning up the alternator or other electrical components if the engine of the donor battery vehicle is running during jump start. Finally the passenger side tail light failed completely. Corrosion occurs when the battery acid reacts with the metal terminals which can lead to loss of contact and reduced current flow. The failure mileage was 58,000. The inside of the connector may start to melt, causing a poor connection to the bulb. If your Hyundai Sonata won't start, the problem is related to the battery, the battery terminals, the key fob battery, the starter, the alternator, the fuel filter, the fuse, the spark plug, or the engine. 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. Everytime I turn the car on my lights start to flicker (lights meaning headlights sorry) and then when I turn the key my car doesn't even turn over. bad alternator, loose battery connection, or poor ground connection. Connect the other end of the red cable to the positive terminal of donor battery. Hyundai has said there is nothing wrong with the lamps or with their design. Would the reflected sun's radiation melt ice in LEO? Lift the plastic covers over the terminals and check for any signs of corrosion. When I use my right or left turn signal my If the ground connection of the chassis or the engine goes bad in your Elantra due to rust or corrosion, you will face all sorts of electrical issues, including clicking noises, flickering dashboard lights, and no start problem. The engineering menu should appear. Quick 9. Using a wire brush or a dedicated battery post cleaning brush, clean the corrosion off of the battery posts. If the battery or alternator light comes on after the vehicle starts, youll likely need a new alternator. What to Check to Diagnose Your Car's Electrical Problem. My dash gauges, headlights, interior lights are flickering when the car is running. George_San_Jose1 January 20, 2014, 4:53am #12 Connect the black cable to the negative terminal of donor battery. Ford Focus. Press it once, and once only. After the 4th time for the battery to go dead, noticed the sided beams were on. I know it's the holiday season, but he's not that festive. My headlights and interior started blinking off and on by themselves while I was driving at night for about a 30 or 40 second interval. 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. For example , when it begins to rain if you turn on the lights in compliance with the state law, the car loses power and decelerates. Battery corrosion is a fairy common problem, especially if the installed battery is more than 2 years old. 2. check with the auto shop if the battery is good . i have a brand new optima yellowtop battery. So this was problem was the cause for my battery to go dead. I drive to the dealer to speak to someone. Takata recall - in September 2014 my battery were going dead. 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. 1. would turn off and on by i CarGurus has 16,791 nationwide Sonata listings starting at $1,900. Clean the contacts with a sandpaper. Hyundai Sonata has some unwanted flashing lights. Make sure that it is snugged tightly and theres no rust underneath it. Next you can unplug the red positive terminal cable. Lol, what a journey. Headlights turn on when turn signal is off (either manually turned off or when turn is completed). Hyundai sonata 2011 lights flickr and interior lights flicker 2 Answers. When looking for the reason, you should start with the most obvious causes that are easy to diagnose: weak battery, and poor electrical connection. Also please check out the Hyundai Sonata owners have reported 311 problems related to exterior lighting (under the exterior lighting category). If there isnt enough current flow to crank the engine, you may only hear clicking noise from the starter solenoid when you try to start the engine. Very often this could be caused by a low battery or poor connection between the battery and starter. If the alternator develops a fault and stops generating electricity, the entire electrical load of the vehicle will shift to the battery. I parked the car and must have turned a light on when getting out. my lights are still flickering. right turn lights on, so i am unable to indicate The dashboard lights started flickering a few weeks. My light knob remained in auto, with the computer thought I turned them off. It helps to keep the channel going as making videos takes a lot of time, effort and money.https://paypal.me/SAautodiagPlease consider my Amazon store for any of your Amazon purchases.My Amazon Storehttps://www.amazon.com/shop/saautorepairI try to recommend tools and accessories that I use and/or am familiar with. A healthy battery should have 12.6 volts or more when fully charged. The easiest method to check the 12v battery in Elantra is by measuring the voltage with a multimeter. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. signal stalk. Not only are you without exterior lighting, but you are also blinded from the sudden change of interior lighting. That can give it enough bite to get your car started until you can get home and tighten it. Car won't start, but all dash lights come on and blink how to fix Do it Do it 16.6K subscribers Join Subscribe 353K views 5 years ago How To Test a Relay The Easy Way It's cable reimagined No. 1. statistics and reliability analysis of Hyundai Sonata. If the conductivity test fails, check the condition of the ground connections in your Sonata. Factory diagrams are much harder to read. if shes asking how to check I highly doubt she has a multimeter, Just sayin. If a terminal is loose, the electrical connection to the car is bad, and the dash lights can flicker without it starting. It looks like it is a short in the stem that controls the turn signals and the headlights. Its a big win for them because you can buy a new battery there if it is bad. Take a multimeter, change its settings to ohms symbol. The VIN was not available. Do the same between the negative terminal of the battery and any exposed metal part of the engine. If i try in indicate a turn nothing Welcome to mechanics.stackexchange.com! The biggest problem is that this relay is integrated into the fuse box. Above, we discussed that a bad ground connection at the battery could cause the lights to flicker and a no-start condition. Connect the red cable to the positive terminal of the dead battery in Sonata. Come join the discussion about performance, troubleshooting, reviews, maintenance, and more! It's easy to tell if the battery terminals aren't tight. Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine. If i can resolve the issue myself with something simple, should i still take it to a mechanic? Therefore it is recommended to keep the engine of the donor vehicle off when jump starting your Sonata. One week before changing battery, a/c 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. . See The number of distinct words in a sentence. Step 2 Lightly tug on the electrical connector at the rear of Sonata's headlamp assembly. The engine also requires a ground connection to function, but the way the engine is mounted, it does not allow the electric current to flow between the engine and the body (due to non-conductive rubber insulated engine mounts). When i turn my high beams on it also turns my Took to dealership and had it diagnosed and they found that the there was an intermittent internal fault with the multi-functional switch. The most common symptoms of dead battery in Hyundai Sonata are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. I just replaced the one in my truck which was reading about 10.1vdc after it had been running. Here's what you can do hook up the jumper cables. Clean the contacts with a sandpaper. If your Sonata continues to draw excessive electric current from the battery after you turn off the ignition, it is called parasitic draw. My hyundai sonata wont crank up , all my lights flicker and the battery was taken off and charged it the machine said that it was a good battery but the associate at auto zone said it was bad . I have noticed this issue twice so far. turning . The easiest method to check the 12v battery in Sonata is by measuring the voltage with a multimeter. its only the gauges.. not the other lights like stereo.. clock.. etc. The starter battery cable can also get heat damage from the exhaust if its run the wrong way. i went to the dealership and without diagnostic test, they said it could be the turn signal switch needs to be replaced or a relay or bad sensor.any thoughts anyone ?? . I let my nephew borrow my car for a week and when I picked it up the check engine light was back on and was still having the headlight issue when signaling. The failure mileage was 12,000. When looking for the reason, you should start with the most obvious causes that are easy to diagnose: weak battery, and poor electrical connection. What could this be. P.s. This will help ensure that you dont get accidentally shocked. all problems of the 2006 Hyundai Sonata Car batteries require regular charging as they lose their charge over time. 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. A good wire brush will get the job done. When the ignition was off the parking lights would then go out. Once the battery has been removed from the circuit, you can start cleaning the corroded battery with sandpaper or wire brush. Step 1 Turn off the engine. If it jumps, youll know that a drained battery was causing the no-start/flickering dash lights issue. 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? I believe the faulty part is the multifunction switch because it can be tapped or quickly turned off and back on to get the headlights to come back on. Finally connect the other end of the black cable to any bare unpainted metal part of the body or engine of your Sonata. but only the left side lights are on and the Make sure to tuck the negative cable away so it wont touch its post again. Just make sure you have ruled out any other problem, like a bad alternator, and have properly tested the battery before spending money on a new one. all problems of the 2016 Hyundai Sonata 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. Alldatadiy.com offers redrawn diagrams as well as factory diagrams. This can happen due to internal degradation of the battery, if the vehicle has been sitting for a long time, or if the alternator in your Sonata has malfunctioned and not charging the battery properly. Once again I am told they cannot replicate the headlight issue and diagnostic shows no issues but it could be the turn signal switch. Doubt she has a multimeter was reading about 10.1vdc hyundai sonata lights flickering won't start it had running! 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