Thread: Retrofit Bluetooth with a TCU instead of a ULF in any I-Bus Car
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Old 11-17-2012, 12:38 PM
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Quote:
Originally Posted by Brian-bmw View Post
Yes, you have a ULF, not a TCU. I had one of those a while ago too. You must have the eject box cradle with the pairing button to initiate pairing.

How did you try to initiate pairing? For a ULF, you must push and hold the button with the car off. Then continue to hold while your turn the car on and continue holding for another 10 seconds or so. Make sure to fasten your seat belt, because the seat belt warning can interrupt the pairing on some cars.
exactly what I did. 60secs max but still no response

The fuse (F74) of the ULF is good.

do i have to turn the engine ON or just the acc ?
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