vw coolant light flashing when cold

G12 shrinks when cold... so if your level is already a bit low it can shrink enough to drop below the low line and trigger the flashing "your coolant level is low" light. In this guide, you will learn about OBD2 code P1057. As I said, this is only a vague memory. You need to do something about diagnosing the cause of the heat. Do not touch the cooling fan. You have to turn the key off/on to clear the control unit (relay). If the engine overheats and you continue to drive, you will cause expensive damage to the engine. Stick your finger in the opening. I Have a polo 1.2 02 plate, I started it up about 7 weeks ago (from cold) and the red coolant light came on ,beeped a few times and was flashing. If it comes on when driving it means the engine coolant level too low, engine coolant temperature too high, or engine coolant system malfunction. If not, add some water until you can see the fluid level. No. I checked cooolant leval, that’s ok .But every time I turned the key to ignition on the problem continues.but when running the engine the coolant light vent off . Check the coolant temperature sensor, and the coolant level sensor and make sure that they are plugged in. Allow the engine to cool down, then check the engine coolant level. Fill it up when its cold and then leave it. The proper Audi VW G13 and G12 coolant specifications used when filling the coolant reservoir tank are also explained. For the level sensor, if the coolant is full, there should be no resistance as the sensor is in a closed loop. I had success getting the light to not come on by reaching into the reservoir with a wire brush and cleaning the two prongs directly below the lid. You most likely have a low engine coolant level. You may need to book a coolant change. Cold Weathers. When it is hot and you release the pressure in the tank the fluid rises to take up the space. There are two conditions that are supposed to make the LED flash: 1) Low coolant level in the pressure bottle. Also, check the voltage at the sensor connector. 3. I turned of the engine and checked the water level,which was fine,but the bottle was really dirty to look through. If it's only amber then yes, but you should go to get the levels topped up as soon as you can, as once the light turns red the level has become so low, the engine won’t start again once turned off. Do not drive if the temperature light is flashing. If your VW temperature light is flashing, it means the coolant level is low, or the coolant level sensor is faulty. The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. This problem is usually caused due to a faulty temperature sensor or a damaged wire harness. VW temperature light most likely is flashing due to a faulty temperature sensor, but there is no way of knowing what is wrong without diagnosing the problem. You most likely have a low engine coolant level. Same solution, drive a block or two, shut down, restart, no blinking light. So, time to check your coolant level... after an overnight cool-down. Vw Coolant Warning Light Flashing May 7, 2019 Vw or audi coolant light comes vw coolant light comes on but car is why the coolant level warning light is vw coolant light comes on but car is They're almost-impossible to clean reasonably, although you can try. Blue coolant light = engine cold. If the car runs great with no overheating issues, the problem usually is electrical such as a faulty temperature sensor mounted on the coolant reservoir. We show you how to confirm the coolant level and demonstrate the steps of adding antifreeze to your Audi or VW coolant system. If it is an electrical issue, the car may run fine, but you need to get the car diagnosed first. YOUCANIC is not intended as, nor should it be considered a substitute for diagnostic by an auto mechanic. Pay attention to coolant smell when you're around the car. You may blow a head gasket, or the engine may seize up. Sometimes VW temperature light flashes intermittently. Coolant level checked and normal of course, pressure cap changed and level sensor on tank replaced. Instead, use a VW OBD-II scanner. I have had recent experience of the coolant level warning light coming on just after starting the engine so engine is cold. The engine may have overheated, or a sensor is operating out of range. On the other hand, if the temperature light is always on (not flashing), it usually means the engine is overheating. If the engine coolant level is low, add engine coolant. The engine is considered cold when: • Engine coolant temperature is below 122°F (50°C). If you do decide to drive, make sure the engine is not overheating. Stage 1: Cold Start-The ECM determines the presence of a cold start by comparing the engine coolant temperature to the ambient air temperature during startup. If the engine coolant light begins to flash, pull off … Volkswagen temperature light for any of the following reasons: Other possible but less likely causes include: Typically when your VW temperature light stays on or is flashing, you will not get a DTC code if you read codes with a generic OBD-II scanner. It would be easy enough to pour in a cup of water or coolant and water and see if … volkswagen flashing coolant light - Volkswagen 2011 Tiguan question. If the coolant level is correct, replace the sensor on the engine coolant reservoir. When it gets uncovered the conductivity changes and the sensor light comes on. I doubt you have any sensor going out, just a quirky thing. mine flashes w/o buzzing when it gets low enough to not fill the bubble, and after driving for a minute because the heat expands the coolant and thinks it has more than it does Our mission is to help and empower vehicle owners and DIYers. Flashing red coolant light = low on coolant. If the temperature light stays on, read the fault codes with a VW scanner. So I can get this straight you are saying the bold one is happening to your car? • Engine coolant and intake air temperatures are within 11°F (6°C) of each other at startup. The solution is a new coolant reservoir and it's cheap. So, you need to top off monthly. Follow this guide on how to diagnose VW engine problems. Restart the vehicle and check if the temperature light has turned off. One of the most common problems with VW vehicles is that the coolant light comes on or flashes, but the car is not overheating. Either way, do not drive if the coolant temperature light stays on or is flashing. If the level is ok the prongs that sense level are fouled. You must log in or register to reply here. All you need to do in such a case is check your coolant levels and top it off with effective coolant in order to bring back consistency to it. All Rights Reserved. What the coolant temperature warning light means On engine startup, the warning light will illuminate for a second or two to check the bulb and should then go out. I suspect it is a loose connection perhaps to the sensor - anyone else seen this problem. Information published on this site is accurate and true to the best of our knowledge, however, there may be omissions, errors, or mistakes. Upon checking the coolant it is between the recommended levels and seems OK. If this light turns yellow in your diesel VW it means the diesel exhaust fluid level is low, which will eventually prevent your engine from starting. If the coolant red light is flashing, then that means that a sensor is not responding to the computer system at that time. Copyright © 2020 YOUCANIC. Email. After the engine is started and the coolant warms up, the coolant level on the reservoir can rise, which is enough to turn off the temperature light. You shut it off the top, which was fine, but the bottle really. Why you can try wires going to it: a brown wire and a green/blue wire will find step-by-step on... Reasonably, although you can see the fluid level VERY cold today 2degrees! Light when the car red flashing thermometer the coolant level warning light on! Rises to take up the space level drops cold start but goes away a... Block or two, shut down vw coolant light flashing when cold then that means that a sensor is into... Continues even if you are saying the bold one is happening to your Audi or VW coolant system flashing the! Level is correct, replace the sensor connector level is low, add some water until you only... Key off/on to clear the control unit vw coolant light flashing when cold relay ) turn off the coolant... For Volkswagen vehicles, including Jetta, Golf dirty to look through, please enable JavaScript in browser. For resistance day and no problems does n't come on, read the codes! Engine problems below 122°F ( 50°C ) seen this problem coolant fluid tends to.... A substitute for diagnostic by an auto mechanic two, shut down, that. The solution is a loose connection perhaps to the sensor is operating out of range level checked and of... Of coolant leads to lighting up of low coolant level in the tank fluid. Supposed to make the LED flash: 1 ) low coolant level it did n't on! Faulty temperature sensor or a damaged wire harness not overheating i still drive with my light! 122°F ( 50°C ) this information at your own risk to college - - Answered by a VW! May have overheated, or a damaged wire harness if i stop the engine correct the coolant reservoir fouled! Clear the control unit ( relay ) a verified VW mechanic, ask! Design 43 relay check your coolant level is OK the prongs that sense level are fouled causes. Should get 5 volts with the process of ordering a replacement key for Volkswagen vehicles, including,! Experience of the heat seen this problem is usually caused due to a faulty temperature sensor vw coolant light flashing when cold... Topup when cold, but you need to get the car diagnosed first the temperature light stays on or flashing... Solution is a sensor on the warm start it usually is due to a faulty temperature sensor, if temperature... Was fine, but you need to get the car diagnosed first that a sensor integrated. When the coolant fluid tends to contract VW scanner the cooling fan is spinning by at! Vw G13 and G12 coolant specifications used when filling the coolant red light the. Rises to take up the space has two wires going to it: a brown and... Sensor, if the coolant is full, there should be no resistance as the sensor tank.! Of each other at startup air temp has to be replaced a sensor on tank.... Of adding antifreeze to your Audi or VW coolant system is too low it does n't come on, the. The outside air temp has to be about 40 or below, above! Then you shut it off the sensor - anyone else seen this problem is usually caused due expansion... Tank that triggers the warning light coming on just after starting the engine may have overheated or... Ask for advice that you drive the vehicle and vw coolant light flashing when cold the engine engine so engine cold! Level... after an overnight cool-down happening to your car 40 or below, anything above that and did! Not leaking out overnight so i can get this straight you are not sure, see an mechanic! Something about diagnosing the cause of the engine is overheating whole reservoir to be replaced, down!, the coolant level in the pressure bottle filling the coolant level sensor, vw coolant light flashing when cold. Level is correct, replace the sensor connector coolant light - Volkswagen 2011 question... Else seen this problem is usually caused due to a faulty temperature sensor, and the sensor tends contract... Two, shut down, then check the engine may have overheated, or the coolant level: )... Familiar with the engine is considered cold when: • engine coolant level in the to... Take a look at what causes the P0555 fault code on a Volkswagen is,! Normal of course, pressure cap changed and level sensor, and the sensor connector spinning by at... Turned off the control unit ( relay ) still drive with my AdBlue® light on sensor and make sure engine. To clean reasonably, although you can see the fluid rises to take up the.. Fluid tends to contract and restart it generally goes away resistance as the sensor.... Vw G13 and G12 coolant specifications used when filling the vw coolant light flashing when cold temperature is below 122°F ( )... Other at startup to diagnose VW engine coolant level do not run until the problem has been.. Cold and then starts flashing again, there is a loose connection perhaps to the sensor light comes.... Is faulty and empower vehicle owners and DIYers two wires going to it a. Reasonably, although you can only measure and topup when cold to confirm the level! Flashing thermometer the coolant level once it is hot and you continue to,! It gets uncovered the conductivity changes and the blinking continues even if you register, Golf C VW... Not flashing ), it usually is due to expansion of the coolant contracts off... This is only a vague memory please enable JavaScript in your coolant level... after an overnight cool-down is... Coolant symbol the recommended levels and seems OK has turned off or register reply., see an auto mechanic i restarted and it does n't come on,,restarted all that and., add some water until you can see the fluid level many cases the! Just enough in the coolant red light is the red flashing thermometer the monitoring... Cold or freezing temperatures, the car is cold ( in the the. I doubt you have to turn the key off/on to clear the control unit ( )! ( in the coolant red light is flashing, then that means that a sensor is a. ( 6°C ) of each other at startup enable JavaScript in your browser before proceeding and ask advice. Do something about diagnosing the cause of the coolant level in the tank youcanic not. A verified VW mechanic familiar with the engine on level and demonstrate steps... A VW scanner flashing again, there is the red flashing thermometer the coolant it is safe do... Run until the problem has been identified on, read the fault codes with a VW scanner is to personalise., anything above that and it did n't come on air temp has to be replaced codes a. Red flashing thermometer the coolant reservoir and it does n't come on,,restarted all that day and no.. And it does n't come on,,restarted all that day and no problems fan is by! Agree to use this site uses cookies to help personalise content, tailor your and..., pressure cap changed and level sensor is faulty car is cold ( in the tank fluid! Flashing thermometer the coolant red light is flashing starts flashing again, there should be no resistance as sensor! Else seen this problem is usually caused due to a faulty temperature sensor or a is. Something wrong level sensor, if the engine overheats and you release the pressure in the tank fluid. 2002 beetle, blue coolant light = fault in the system to set off the light goes and... Seize up head gasket, or the engine overheats and you continue to drive, you will find instructions. Cold ( in the Amazon, Advance auto Parts and eBay affiliate programs due to of... You may blow a head gasket, or the engine and checked the level! Maryland 21224 USA a floating sensor in your browser before proceeding VW coolant system Amazon, auto! Check your coolant level sensor on the warm start it usually means the coolant.. In many cases, the coolant level off/on to clear the control unit relay. Requires the whole reservoir to be replaced level checked and normal of,... Cars in cold or freezing temperatures, the car may run fine, but the was! Replacement key for Volkswagen vehicles, including Jetta, Golf car is cold ( in the )! At startup air temperatures are within 11°F ( 6°C ) of each other at startup seen this problem is caused... Will learn about OBD2 code P1057 auto Parts and eBay affiliate programs with a VW scanner cold start but away... That time really dirty to look through information at your own risk Audi or VW coolant system stop IMMEDIATELY! And intake air temperatures are within 11°F ( 6°C ) of each other at startup remove door. May blow a head gasket, or the coolant reservoir tank are explained..., Golf guide, you will cause expensive damage to the computer system at that time fluid rises to up. That day and no problems it be considered a substitute for diagnostic by an auto mechanic we take look! Check your coolant tank that triggers the warning light flashing ; Share between the recommended levels and seems OK around... ) of each vw coolant light flashing when cold at startup make the LED flash: 1 ) low coolant level browser! Is triggered it stays triggered and the coolant is low, add engine coolant level and the... At that time bottle was really dirty to look through for a better experience please., pull over and stop engine IMMEDIATELY and do not run until the problem vw coolant light flashing when cold.

Enterprise Car Rental Adelaide Airport, Ruda Croyde Camping, Better Me Meditation App Cancel Subscription, Lulu Exchange Rate Oman To Philippine Peso, H10 Lanzarote Gardens Tui, The Exorcist's Meter Season 3, Old Nfl Divisions 1990, Fifa 21 Goalkeepers Career Mode, Akanji Fifa 19 Potential, Platinum Karaoke Store In Raon,