Skip the auto shop - Our mechanics make house calls

Q: Air blows high even with engine off

asked by on

The blower motor blows air on high continuously, even with the engine off.

Hi there. This comes up quite often on this vehicle. The problem is that the blower motor control module has failed. This module fails and does not disrupt the circuit to the blower motor as it should, especially when the vehicle is turned off. The circuit should be tested first before replacing something like this. I would get some help from a certified mechanic, like one from YourMechanic, to replace the failing control module.

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

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: Turn signals activate brake lights

You probably have the wrong bulbs in the sockets. Your car likely uses an 1157 bulb, a bulb that has been in use since the '60's, but bulbs have been changed and part numbers superceded over the decades so it's...

Q: Seems to be an occasional misfire that is somehow related to the AC compressor

This is normal when the AC is on. The air conditioning compressor requires torque from the belt system on the engine to power it. When the AC is off, the compressor clutch does not activate, meaning the AC is not...

Q: air conditioner not blowing air from dash vents, but blowing air from side vents

A few different items can cause the air to not blow out of the dash vents. The most common are a blend door or a control switch. The best method for the AC diagnosis feature can be found in the...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.