Skip the auto shop - Our mechanics make house calls

Q: I need information about the code U 1008 Hyundai

asked by on

I need information about the code U 1008 lost communication with radiator shutter

Hi - this error code (U1008) has to do with a loss of communication between the various body system and engine control mechanisms with the "active air flap" system in the front grill/radiator area of the car. This system decides how much airflow to route over the radiator - too much causes drag and lower operating temperature. Too little increases fuel mileage, but can make the engine run hot. Check for additional error codes, but most likely this is a wiring or connector issue to the the front-end controls for this system. I recommend an electrical component inspection performed by a mobile, professional mechanic, such as one from YourMechanic, who will come to your location, diagnose this problem, give you an accurate assessment of damage and cost estimate for repairs.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Heater not working properly leaking fluid and overheating

Hi there. Your heater isn't working and your car is overheating because of a low coolant condition. Your low coolant condition is due to the coolant leak. Flushing anything will not correct the situation. A properly executed cooling system pressure...

Q: Transmission slip

This is a common issue related to the Hyundai Elantra, especially in the 2010 year. There are several issues related to this that can cause this problem. Some of them are problems with the oil temperature sensor, transmission wiring harness,...

Q: Car overheated on highway then died while I was coasting it to a stop.

Hello, thanks for writing in. While the cracked radiator and head gasket can be related, you are more concerned with the extend of the damage to the engine. The head gasket and radiator can be replaced, but the interior of...

Related articles

Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
What are the Car Pool Rules in Hawaii?
Hawaii is widely regarded as a land of vacation and relaxation, and as such, its scenic roads and routes are far better known than the state’s freeways. But, as with all...