I have had that same exact problem but have recently had an even bigger issue with this. I first noticed this problem with 7000 miles on my vehicle lights came on, a slight pull to the right and I immediately called the dealership. I was told the same things as I have seen posted, your wheels were compensating for a slip. Then 5 thousand miles later, 3 times in the shop with tsb for lower control arms to be replaces, an anti squeak clip that squeaked to be replaced and then it really starts to happen. The autotrak light comes on with the other two sensors lit up, and the mustang pulls heavily to the right. Now on December 24, 2012 I had replaced the tire with the exact same size, similar tread pattern and all specs matching tire. I was told that it was the tire that was causing the issue. I was told the circumference was an inch in difference. I went to 4 tire dealerships and asked to check the circumference of my tires and all said that it was less the .1 in difference, that if you measure the tire completely around, it would end up being one inch but that is not a true way to measure this nor would it cause any slippage. Then the rental that ford has given me, a Lincoln has all wheel drive, a tire that is bald on the left front with a brand new tire on the right front. This actually gives a 2 inch difference in the tire size as my dealership has stated and should set off the sensor just like my mustang because this is an all wheel drive vehicle but yet it has not gone off. BTW, I did replace all 4 wheels Tuesday with a set of brand new tires at my expense and I ended up having the lights come back on, the car pulled heavily to the right and I wrecked the car on a bridge!!! So yes this is a definite safety issue and don't believe that when someone says on this forum that it is not anything that it may be just a slippage. If you are truly slipping you will notice a slight correction and yes the light will come on to help compensate, it is a great safety feature but in my case and it seems in others on this forums case, this is a huge safety issue. And the tire that I had originally replaced was on the left front so the car should not have pulled to the right. Does anyone have any suggestions on this?
---------- Post added at 04:36 PM ---------- Previous post was at 04:33 PM ----------
To be specific, it is the traction control light and the other light for slipping that comes on and I was told that these are soft codes. Then there is the service auto track which came on and stayed on for a while and that was a hard code but was told that they had to clean the sensor, the lights came back on. I found the forum that had this same issue but once I registered, I could not find it again. I was going to present the forum to ford because they have NEVER heard of this issue at all.