Problem with original Rosfar and Cas3

[54321]

I tried to read a cas3 (912dg256) with original Rosfar, i couldn't get a read so i plugged the cas unit back in the car and everything was dead, key not working, no dash,etc. Luckily i did the car last year and saved the cas eeprom via the rosfar. I reloaded the original eeprom and everything came back to life but now the car won't start, it turns over but won't fire up. Does anybody know if that could be a fault with the cas flash? Or should i be looking elsewhere?

[smartymarti]

Auto logic or icom will re sync it

[54321]

So you don't think it's the flash Smarty?

[raf0468]

cas needs align with dme (engine ecu)...
as mentioned someone with autologic

[54321]

So there is no use me trying to upload different flash's with rosfar?

[smartymarti]

No point mate

[diagtech]

I had same with 6 series takes 5 mins to align dme with cas

[sparkz02]

Why do you guys think this happen any way of preventing it from happening?

[markony79]

give more information
diesel, manual ?

[davecooper47]

I had this once a few years ago. I think one of my wires came loose while I was reading micro & it wiped data. I had old backup from the same car so wrote that back & realigned CAS with DME & all was fine. I'm not 100% but I think you can do this with X431 (I've seen it in the menu) or autocom. The old EEPROM data won't start the car because it has a rolling key code (so I've been told).


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