VW Passat B5 airbag light on error 01221 crash sensor. Fault finding and repair.
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What a job... π€¦ββοΈ
So, came to me with the airbag light on, and after a scan, came up with a crash sensor fault... Error 01221.
New sensor, worth more than the car... (ish...), and second hand, well, let's say is not that straight forward... but, I found a way round that...
NOTE: Would like to point out, that when I initially changed the ID from 0D to 04, and that triggered a faulty sensor, could also be because on top of the ID, was other data, as I showed in the video, that was different... ence when I copied the data from the good sensor, it worked.
Also, the eeprom from the original faulty sensor, could not be read... the chip was dead... so I could not copy that one...
Follow me on this video to find out what was the problem and how to resolve it.
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