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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 02-10-2014, 10:45 PM   #1
1320ms
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Join Date: Jan 2010
Location: SoCal
Posts: 33
My Ride: cars
DIY: Steering Angle Sensor Coding with PA Soft 1.4

I replaced my SAS and wrote this DIY 2 years ago: http://forum.e46fanatics.com/showthread.php?t=917397

Since then, I still have driven around with the damn DSC/Brake lights on because I'm scared of the dark and liked the warm comforting glow of error lights...or just havent had time to deal with it..

Got my PA Soft 1.4 scanner in the mail about 2 hours ago, searching yielded zero results on how to actually get these damn lights to go away, just a lot of posts about people saying you couldnt code it with PA Soft.

I had error code 0B/wrong LWS-ID under the LEW menu in PA Soft, and the standard 5E43 error for SAS under ABS system.

Clearing the codes did nothing, they just popped up immediately, searching for "wrong lws-id" was equally a waste of time.. logically I figured it to be just not coded for the vin, as the errors popped up immediately after clearing them over and over.

The solution, pretty simple, I pulled the EEPROM off my other e46, and after seeing what it looked like it was obvious.

1) Open PA Soft 1.4, connect to car, click on LEW to open the LEW page
2) Click Reprogramming
3) On the Reprogramming menu, Click Write ADFG
4) Enter "00XXXX" where XXXX is the last 4 digits of your VIN
5) Click OK

Once that completes

6) Click Read EEPROM
7) Edit the values highlighted in the attached image

You will need a hex to ansi converter for 2 letters
-- this appears to be a simple converter that works well
http://www.dolcevie.com/js/converter.html
--

The row we are modifying is 0x20, looking specifically at locations 4-8 (red text in the image)

This would be 20 45 31 4A 4C in the image below

These characters translate to the last 7 VIN digits, backwards.

4C in hex converts to the letter L
4A in hex converts to the letter J
31, 45, 20

This would be the last 7 of the vin LJ31452

Change for your vin.

8) Click the Save Icon
9) Click Write EEPROM
10) once this completes, clear the errors under both LEW and ABS pages


Done.
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Last edited by 1320ms; 02-10-2014 at 10:47 PM.
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Old 12-26-2014, 08:43 PM   #2
MW3330
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Join Date: Jan 2014
Location: Sydney, Australia
Posts: 8
My Ride: 323i, 325Ci
Awesome! Thanks. This completes the DIY and gives me confidence to tackle this.
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