Volkswagen Tiguan Coolant Light Flashing: 5 Causes and Solutions

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If you own a Volkswagen, you may have experienced a Volkswagen Tiguan coolant light flashing but not overheating. However, this little light can actually help prevent engine failure. 

Today, we’ll explore why the Volkswagen Tiguan coolant light Flashing and what you can do to prevent engine overheating.

It is important to understand the signals that your vehicle’s cooling system sends. It is best to take action as soon as you notice an issue to avoid major issues later on.

We’ll also discuss what may cause overheating in a VW coolant light flashing when cold and the potential damage that can result. So, let’s dive in and learn how to keep your Volkswagen running smoothly.

2016 Volkswagen Tiguan Coolant Light Flashingbut the Engine is Not Hot

If you notice that your Volkswagen Tiguan Coolant Light flashes in red, it could be due to a few reasons. However, if the engine is not hot, the most likely reason for the flashing light is a malfunctioning sensor or wiring. 

In some cases, a software glitch or ECU failure could also be the culprit.

volkswagen tiguan coolant light
volkswagen tiguan coolant light

It is important to note that a Volkswagen Tiguan Coolant light flashing is not a minor issue and should not be ignored. 

The coolant light only illuminates VW vehicles when the situation is critical. 

Therefore, it is crucial to double-check the temperature of your engine before continuing to drive with a blinking coolant light.

Here are some things to consider when dealing with a flashing coolant light:

Always check the engine temperature gauge right when you see the Volkswagen Tiguan Coolant Light Flashing in your vehicle, but don’t rely fully on it.

For a minor issue, the red coolant light is flashing on the Volkswagen. In almost all cases, it’s something serious, so don’t ignore it.

It would help if you did not ignore this symptom, as it may eventually result in engine failure. If your 2013 Volkswagen Tiguan Coolant Light Flashing, you should take immediate action to prevent a safety hazard.

Read Also: Subaru Blue Coolant Light Issue? How To Fix

If you are experiencing a flashing coolant light, here are some tips to help you avoid spending money on tow trucks:

  • You may need to add more coolant if the level is low.
  • Make sure the engine isn’t leaking or has any wet spots.
  • If you suspect a malfunctioning sensor or wiring, take your vehicle to a mechanic to have it checked.

In summary, a flashing coolant light in a Volkswagen car is a serious issue that should not be ignored. It is important to take immediate action, even if the engine is not hot.

What should you do if your Volkswagen’s coolant light blinks?

If you see a blinking coolant light in your Volkswagen, follow these simple steps:

  • Quickly stop at a safe spot. Turn off the engine to avoid overheating.
  • After starting the engine, check the temperature. The needle should be around the middle when the vehicle warms up.
  • Apply the handbrake, open the hood, and check the coolant reservoir whether the engine temperature is normal. Normal coolant levels are OK. If it boils, changes color, or volume, it’s dangerous.
  • If the weather is cold, let the engine cool for 15 minutes and have it checked.
  • Check the coolant light after starting the engine. The sensor or wire is likely to blame. If not, engine temperature was the issue.
  • Choose a safe way to get your car to the shop or dealer.

Remember, if the Volkswagen Tiguan coolant light flashes, the problem is with the sensor or wiring. The ECU does not receive proper temperature readings from the VW coolant warning light. 

Read Also: How Far Can You Go While The BMW Coolant Light Comes On?

VW cars usually have a high temperature or a high coolant level if the light stays on without blinking. 

If necessary, add coolant to the engine. Drive only a short distance after adding coolant. You can contact an authorized Volkswagen dealer or a Volkswagen service facility near you.

How to Take Your Overheated VW to the Repair Shop?

When your Volkswagen overheats, it’s crucial to take it to the repair shop as soon as possible. It may be costly to repair the engine if you drive it to the shop. 

Here are some options for taking your overheated VW to the repair shop:

Call a Tow Truck

If your VW is overheating, calling a tow truck is the safest option. That may be an expensive solution, but it will prevent further damage to your vehicle. You will not have to start your car before the tow truck transports it to the repair shop.

Ask Someone to Tow Your VW

You may find a truck owner who is willing to tow your VW for a fee or as a favour. However, towing modern vehicles is not recommended due to their automatic transmissions.

If your Volkswagen has a standard automatic drive, you can’t move it, but if it has DSG, you can.

Call a Mobile Service or Road Assistance

If your insurance or Volkswagen dealership warranty covers roadside assistance, use it. A mobile service or road assistance crew can rapidly diagnose and fix your automobile without hauling it.

Drive Your Vehicle After It Cools Down

If you want to take the cheapest route, you can drive your vehicle after it has cooled down. After the engine cools, start it and drive it, but watch the temperature gauge. If the needle goes over half the gauge, stop the car and let it cool down again.

Drive Your Vehicle After It Cools Down
Drive Your Vehicle After It Cools Down

It may take longer to get to the repair shop, but it’s a cheaper option.

It’s important to take your overheated VW to the repair shop as soon as possible to prevent further damage to the engine. Choose the option that works best for you and your situation.

Why Your VW Might Overheat

If you notice your Volkswagen Tiguan Coolant Light Flashing, it may not necessarily mean that the engine is too hot. It could be due to sensor issues or wiring problems, which prevent you from accurately monitoring the engine’s temperature. 

However, if your VW actually overheats, it could be due to several reasons.

Thermostat failure: If the thermostat gets stuck on the small circle, the engine will overheat, and you won’t be able to help it.

Thermostat failure
Volkswagen Tiguan Coolant Light Flashing: Thermostat failure

Low coolant level: This is one of the reasons why the coolant light may flash. Low coolant levels can cause overheating in your VW car.

Poor coolant quality: Sometimes, problems happen because of low-quality coolant when it’s old or bad.

Clogged radiator: When there is a blockage in the cooling system, the coolant can’t circulate as it should, and this may cause overheating.

Water pump damage: If the pump is broken, it will not pump coolant at all, and the engine will overheat immediately. Driving such a car is not safe.

Engine problems: If your engine is broken, it may create strong friction between parts, which will cause overheating. Low oil levels may also cause this.

Now that you know the reasons why your Volkswagen engine may overheat, you can take appropriate action to prevent it from happening.

Can you replace the coolant temperature in a Volkswagen by yourself?

It is not recommended to replace the coolant temperature sensor on a Volkswagen. Under the hood, the sensor can be located in various places and can leak coolant directly on some electronic blocks if removed. Replace the engine coolant temperature sensor with a professional. 

If the new sensor is available at the store, this task only takes 30 minutes. Broken engine temperature sensors can damage your Volkswagen engine. A professional should replace the sensor to ensure the longevity of your car.

In conclusion, I hope with this information, you’ll be better prepared to diagnose and repair any Volkswagen Tiguan Coolant Light Flashing issues that may arise with your Volkswagen.

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