EWS out of sync BMW E53 X5 4.4 (help)

vazbmw HalfDork
12/24/20 6:43 a.m.

Hi Folks,

My E53 X5 4.4 was down (no battery, because I removes it to keep it charged) while I rebuild its transmission. Once I got it back together it's a no crank no start with EWS errors. I reset the EWS with INPA, but I am still getting errors of

ISN number: Error Rejected

and

Password: Error Rejected

Has anyone had this issue? And how did you solve it?

Thanks in advance

vazbmw HalfDork
4/19/21 5:48 a.m.

Update:

I tracked down the issue to the Trans Control Module.

Swapped it out and the EWS removed the emobilization on the starter.

started right up

84FSP UltraDork
4/19/21 7:01 p.m.

Nice work.

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EWS out of sync BMW E53 X5 4.4 (help)

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