2002 Audi TT mk1 Cruise control problems SOLVED
01-25-2016, 12:48 PM
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2002 Audi TT mk1 Cruise control problems SOLVED
I am posting how I was able to fix my cruise control because when my cruise control went out, I did not find any other people with my particular problem. I’m not sure if I looked hard enough but I made a profile in order to hopefully help someone else out in the future.
My issue was that suddenly one day my cruise control stopped working, it worked intermittently for about a week or so and then it completely stopped working. This all happened in about the first few weeks of winter, so I automatically assumed it may be some sort of electrical issue. My brake lights were functioning properly and all fuses that I could find looked perfect. I tried replacing my brake light pressure sensor with no luck. I read that older models than mine (older than 2002 i think?) have a cruise control module behind the glove box that goes bad (especially in cold-hot weather) but I was told mine is built into my computer so I didn’t bother looking for it.
After many hours of trouble shooting I found that the clutch pressure sensor had worn into my plastic clutch pedal. It had worn a dent into the pedal just enough so that it would not sense that the clutch was in the RESTING position (NOT depressed). If you take your lower dash panel off and stick your head under there it is the lower sensor on your clutch pedal. It has NO adjustments and has like a ball point end on it, I believe mine was blue. The small ball point had made probably a .05inch dent into the pedal which was all it took to not complete the circuit. Let me point out that there is another clutch sensor on the top half of the clutch pedal that is depressed when the clutch is fully pushed in. This is mostly used when starting your car I believe, and it was working fine. To solve this problem I bent a little piece of sheet metal around the clutch petal where the sensor touches it (where the dent was) and I duct taped it in place for a quick fix. I think later on I will epoxy a small plastic piece on there instead.
I do not have pictures but I may post some after fix it properly without duct tape haha
My issue was that suddenly one day my cruise control stopped working, it worked intermittently for about a week or so and then it completely stopped working. This all happened in about the first few weeks of winter, so I automatically assumed it may be some sort of electrical issue. My brake lights were functioning properly and all fuses that I could find looked perfect. I tried replacing my brake light pressure sensor with no luck. I read that older models than mine (older than 2002 i think?) have a cruise control module behind the glove box that goes bad (especially in cold-hot weather) but I was told mine is built into my computer so I didn’t bother looking for it.
After many hours of trouble shooting I found that the clutch pressure sensor had worn into my plastic clutch pedal. It had worn a dent into the pedal just enough so that it would not sense that the clutch was in the RESTING position (NOT depressed). If you take your lower dash panel off and stick your head under there it is the lower sensor on your clutch pedal. It has NO adjustments and has like a ball point end on it, I believe mine was blue. The small ball point had made probably a .05inch dent into the pedal which was all it took to not complete the circuit. Let me point out that there is another clutch sensor on the top half of the clutch pedal that is depressed when the clutch is fully pushed in. This is mostly used when starting your car I believe, and it was working fine. To solve this problem I bent a little piece of sheet metal around the clutch petal where the sensor touches it (where the dent was) and I duct taped it in place for a quick fix. I think later on I will epoxy a small plastic piece on there instead.
I do not have pictures but I may post some after fix it properly without duct tape haha
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