2014 jetta weather indicator lights how to#

Follow this guide on how to diagnose VW engine problems. 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.

Damaged wire harness to a temperature sensor.

Other possible but less likely causes include: Volkswagen temperature light for any of the following reasons: If the temperature light keeps flashing, check if the cooling fan is spinning by looking at it. Restart the vehicle and check if the temperature light has turned off. If the engine coolant level is low, add engine coolant. Pull over as soon as it is safe to do so and turn off the engine. Allow the engine to cool down, then check the engine coolant level. 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. For example, the temperature light flashes when you first start the car but stops flashing after the engine is warmed up or if the engine is restarted. Sometimes VW temperature light flashes intermittently. If you decide to drive, make sure the engine is not overheating. On the other hand, if the temperature light is always on (not flashing), it usually means the engine is overheating.Įither way, do not drive if the coolant temperature light stays on or is flashing.

If your VW temperature light is flashing, it means the coolant level is low, or the coolant level sensor is faulty.