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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Mechanical Maintenance: Break-in / Oil & Fluids / Servicing / Warranty > Sofware errors (I hope) while on a 4300 mile road trip



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      09-15-2009, 06:39 PM   #1
Rekla
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Sofware errors (I hope) while on a 4300 mile road trip

I am on a 4300 miles road trip, during a 10hr driving day approx half way into the day trip while the car was on cruise control, I've got the DSC, FTM and amber BRAKE errors. Cruise control dis-engaged and would not re-engage with these msg. It wouldn't clear so I stopped at the first oppertunity. Turned of the car, got gas, started the engine - error cleared after pulling onto the highway, back on cruise control. Second time the errors came back after approx 30 minutes or so on cruise control. Wouldn't clear untill I turned of the car. Started it back up again, errors cleared after a mile (or so) driving. Then the third time the error came back briefly and cleared itself. All highway driving, no wierd steering angles, smooth pavement, 75 - 85 mph speeds, somewhat mountainous terrain (Colorado - Wyoming - I-80). Has not come back (yet). Any ideas?

Now I am further in my trip (1900 miles), I go up a ramp to merge onto the Hwy, a loud bang - briefly it feels like no power, then the I-drive screen blacks out, the instrument cluster shows the transmission symbol and the car is stuck in I guess 5th gear (notice there is no gear indicator on the instrument cluster). Trying to shift to DS or manual mode, nothing! On top of the Transmission Error, there is the DSC, FTM and BRAKE failure again. I stop, shut down the car, wait a couple minutes and fired it back up. Normal operation.... untill I stop at the hotel where I am staying.




shut down the car. Come back from the hotel registration, car would not start! Dead... Nothing happens when I push the start/stop button. Then after several attemps, the car starts back up, but lost the current time (I have to manually set it, however the date is still current as well as all my other personal settings (under units, etc):


I move the car to its parking space, there is the DSC failure, plus FTM again! Now what?




Any idea? I still need to drive 2400 miles or so before I am home
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      09-15-2009, 06:56 PM   #2
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Quote:
Originally Posted by Rekla View Post
I am on a 4300 miles road trip, during a 10hr driving day approx half way into the day trip while the car was on cruise control, I've got the DSC, FTM and amber BRAKE errors. Cruise control dis-engaged and would not re-engage with these msg. It wouldn't clear so I stopped at the first oppertunity. Turned of the car, got gas, started the engine - error cleared after pulling onto the highway, back on cruise control. Second time the errors came back after approx 30 minutes or so on cruise control. Wouldn't clear untill I turned of the car. Started it back up again, errors cleared after a mile (or so) driving. Then the third time the error came back briefly and cleared itself. All highway driving, no wierd steering angles, smooth pavement, 75 - 85 mph speeds, somewhat mountainous terrain (Colorado - Wyoming - I-80). Has not come back (yet). Any ideas?

Now I am further in my trip (1900 miles), I go up a ramp to merge onto the Hwy, a loud bang - briefly it feels like no power, then the I-drive screen blacks out, the instrument cluster shows the transmission symbol and the car is stuck in I guess 5th gear (notice there is no gear indicator on the instrument cluster). Trying to shift to DS or manual mode, nothing! On top of the Transmission Error, there is the DSC, FTM and BRAKE failure again. I stop, shut down the car, wait a couple minutes and fired it back up. Normal operation.... untill I stop at the hotel where I am staying.




shut down the car. Come back from the hotel registration, car would not start! Dead... Nothing happens when I push the start/stop button. Then after several attemps, the car starts back up, but lost the current time (I have to manually set it, however the date is still current as well as all my other personal settings (under units, etc):


I move the car to its parking space, there is the DSC failure, plus FTM again! Now what?




Any idea? I still need to drive 2400 miles or so before I am home
Got the same thing couple weeks ago. I got just the brake error and traction control display, but not the ! & the gear around it.

Started the car the next morning and it disappeared.

You have one extra error than mine. Something have to do with the steering angle sensor, and it probably locates under the either the driver or passenger seat.
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      09-15-2009, 06:59 PM   #3
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http://www.e90post.com/forums/showthread.php?t=290483
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      09-15-2009, 07:01 PM   #4
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Okay...
Will it get worse from here on?
Is it an easy fix?
Any SB?
A steering angle sensor located under one of the seats... hmm that sounds strange for a location of the sensor?
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      09-15-2009, 07:13 PM   #5
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Give your SA a call or BMW dealership nearby.
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      09-15-2009, 10:06 PM   #6
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It's not your steering angle sensor. The STEERING angle sensor being under the seat makes no sense what so ever, it can't detect your steering down there. It is behind the steering wheel in the stalk area. You have a voltage issue. Seems to be the alternator is acting up causing all the lights to turn on and your car not starting the next morning. If you ever see the clock on the cluster is means the battery was dead or disconnected. Take it to the dealer ASAP.
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      09-28-2009, 09:08 PM   #7
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I am the original poster of this threat. After the car had "reset" itself (the clock had lost time and the trip computer was set back to "0" - as mentioned above) the remaining 2500 trip miles were flaweless. I already called the problems in (to my dealers service department) when I was experiencing them. I just picked up my vehicle from the service department after bringing it in for this issue. The repair description says " Reset steering Angle Sensor per DIS tester". I was told all the hardware was fine and they reloaded the software and re-calibrated all the sensors. The steering wheel angle sensor had lost track of the steering position, it was cleared in the secondary memory by a hard reset like I experienced. Now the primary memory has been re-flashed and the car should be good to go. Excellent service once again (LCI 328i loaner, my car was washed before pick up) from the guys at Autobahn BMW in Fort Worth.
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      09-28-2009, 09:53 PM   #8
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defective steering angle sensor wouldnt cause transmission issues nor would it cause your car to not start...
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      09-29-2009, 09:53 AM   #9
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Glad to see that everything is working again. It is pretty scary to have something like that happen on a car that is so new.
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