2003 Mercury Marquis Climate Control Fan Stays on High at a

Had my car go through its annual safety inspection and when it came out of the garage bay the heater/AC fan stayed on high speed at ALL times. Even when I hit the OFF button on the climate controls. In fact even when I turn my ignition key to the auxiliary position the fan comes on high without the climate control on at all.

Seems like too much of a coincident that it started right after having the safety inspection, which of course plugs into my cars computer.

I had the dealer replace the control module about two years ago when the blower stopped working. I can only assume the module is the problem again.

I�m guessing the �Blower Motor Speed Controller� wouldn�t cause my problem.

Do you think it�s possible that the garage computer connection to my car created the problem or just a big coincidence?