I am posting this in case it happens to someone else. We have had our pickup in 3 different shops in three different states for the same issue. Driving along both towing and not we had an issue where the ABS, Brake, and Traction control lights would all come on followed by an alarm and a red Check Brake System message from the message center. Now it gets fun! During all of this the pickup would lunge a couple of times, the windshield wipers would come on, we would lose power to the stereo, and the speedometer would quit working. We could also hear the ABS system activating like we were in a panic stop on ice. Other than being able to hear the anti locks we did not lose power, braking performance or suffer lower fuel mileage. Took the pickup into the Ford dealer in Slidell LA and they replaced the rear diff speed sensor as well as the multi-function switch (turn signal/wiper/high beams). The code we downloaded off of the Insight said U0418 which is Invalid data from the Brake System Control Module. The service manager stated that Ford decided to limit the endless codes it could create and bunched some into just a couple called U codes. I hope this does not happen to anyone else but at least if you read this you can smile knowing you have a place to start if it does. The windshield wipers coming on did give us something to laugh about after a couple hundred miles!
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