Cooling Fan Keeps Running After Car Is Shut Off

If it is a tdi diesel the fan can run up to 20 min after shutting off car at times if in regen mode.

Rechargeable fan best. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off. It creates a very high temperature to burn of particulates. In some cases the fan stays on too long which causes the battery to drain.

This is normal in many vehicles such as bmw or mercedes benz the radiator fan may run up to five minutes and sometimes longer. Your car fan will run for a few minutes after you turn off the car then turn off. I am assuming that both you and the dealer checked coolant levels.

This is a cycle that occurs intermittantly to clean your diesel particulate filter. The computer looses power with the key off and the same applies to the coolant temperature sensor. If this happens to your accord you might have a problem that needs fixing.

It is ok for the engine cooling fan to keep running for a few minutes after you turn off the car. My experience in texas is that this will occur in hot weather and not cold. I am sure you understand that depending upon the engine temperature the fan may stay on for a while after the ignition is shut off.

The computer sends power to the relay to activate it and turn the fan on. How to fix radiador fan that wouldnt shut offhonda nissan toyota acura kia lexus chevy cadillac ford bmw mercedes etc.