[taylorchuck]

I have a 2008 335i that I was trying to figure out why my comfort access wasnt working. I guess I pressed the wrong button in INPA because now my car cranks but wont start. Im getting 2FCA and 2FDA shadow codes when I scan it using MHD, but honestly Im not sure what I did. Ive read that theres a way to sync the EWS which may be misaligned but Im not getting any luck. Keep in mind, Ive never used INPA before today and I dont speak German so I dont know what I screwed up. I was looking in the car access system part of INPA and Im sure I did something to my CAS coding. If anyone has any advice for what I need to do Id really appreciate it. I have a new laptop coming in on Monday so I can start figuring out ISTA but for now all I have is INPA, NCS, Tool32 and WinKFP, none of which I know how to use.

[Tambohamilton]

Resync CAS and DME in INPA

[taylorchuck]

What is the process for doing that? I read a post that said the steps, but when I tried it, I got to the "activate" part and the next step wasnt "EWS" it was "mode 1" and "mode 2". So Im not sure if Im missing something or whats going on. Remember, I dont have any experience using any of these programs so it would help if there was an explanation to what needs to be done. Thanks

[taylorchuck]

This is what I run into when I try to sync the CAS/DME

https://www.e90post.com/forums/showthread.php?t=1582210

[sdbmwcoding]

There is no synch function on the E9X, that only applies to older cars that use ews system not CAS like your car. The CAS and dme are matched by ISN, as long as the ISN matches in both dme and CAS the car will start.

Read error codes from the CAS and DME and post them here.

[Tambohamilton]

Originally Posted by sd*********

There is no synch function on the E9X, that only applies to older cars that use ews system not CAS like your car. The CAS and dme are matched by ISN, as long as the ISN matches in both dme and CAS the car will start.

Read error codes from the CAS and DME and post them here.

Weird that diesels and petrols are different in that regard

[taylorchuck]

Ok so after doing a little checking on everything I can possibly think of, I scanned and found 2 codes.
2F4A - DME:Interface EWS-DME
2F4C - DME:Message EWS-DME incorrect

I checked the fuel pressure regulator under rear seat on drivers side and found a hose had come loose, so put that back on but no luck. After fixing that, I scanned and got the 2 codes above. Those are the only things active. Is there a way to check or edit ISN for both using INPA?

[taylorchuck]

Ive finally gotten ISTA working and this is the tree that I was able to scan. Im still not sure how to work ISTA so this is the best I can give. But if anything looks out of place that would cause the problem please let me know