How to reset the ECU?
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Joined: Aug 2001
Posts: 18
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How to reset the ECU?
Does anyone know how to reset the ECU on the 98 Expedition? On most cars removing the power for an hour or so will do it, but I tried that on mine with no results.
I removed the wrong fuse while trouble shooting a bad rear wiper and now my airbag warning light flashes and then stays on. I know the ECU's in these things remember faults so that the dealer can see what the history is when they hook up to the computer, and they just do a reset if nothing is found. I think it saw the airbag fuse being missing as a fault and the ECU will give the warning until it's reset. I don't want to pay the dealership to just reset it, or give them a reason to say they found something wrong with the system and charge me big bucks to fix it by just resetting the ECU. Any help would be appreciated.
Dave B.
98 EB 5.4 Expediton
97 XLT 5.0 Explorer
I removed the wrong fuse while trouble shooting a bad rear wiper and now my airbag warning light flashes and then stays on. I know the ECU's in these things remember faults so that the dealer can see what the history is when they hook up to the computer, and they just do a reset if nothing is found. I think it saw the airbag fuse being missing as a fault and the ECU will give the warning until it's reset. I don't want to pay the dealership to just reset it, or give them a reason to say they found something wrong with the system and charge me big bucks to fix it by just resetting the ECU. Any help would be appreciated.
Dave B.
98 EB 5.4 Expediton
97 XLT 5.0 Explorer
New User
Joined: Oct 2001
Posts: 10
Likes: 0
How to reset the ECU?
I don't believe that the ECU turns on the airbag light. I may be wrong so don't quote me on this. I believe the airbag light is controlled by the airbag module. I would try pulling the fuse to the module or better yet, just disconnect the battery. I had an experience with a VW where I had the airbag disconnected and the ignition on which therefore set a code. Disconnecting the battery did not reset the computer and the car had to go the dealer.
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