Just looking at the chips in the ecu i've looking on the net and you can't find any info on them or find any counter part? LD58A63LP bottom chip BLX59A048P top chip. does any body know what the counter part numbers are?
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Originally posted by trebormc View PostJust looking at the chips in the ecu i've looking on the net and you can't find any info on them or find any counter part? LD58A63LP bottom chip BLX59A048P top chip. does any body know what the counter part numbers are?Paul Nugent
Webmaster http://S2central.net
Administrator http://S2forum.com
1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
2003 S4 Avant 4.2 V8 - daily burble
Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)
There are only 10 kinds of people that understand binary - those that do, and those that don't
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If you are ok to do the soldering I can offer you decent discount on remap chips with Immo removed. Send me a PM if interested ;-)Paul Nugent
Webmaster http://S2central.net
Administrator http://S2forum.com
1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
2003 S4 Avant 4.2 V8 - daily burble
Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)
There are only 10 kinds of people that understand binary - those that do, and those that don't
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Originally posted by pfi View PostI'm aware of the need of updating checksum if You chg smtng in the LDR chip,
but,
the immo code as shown in post#8 is in the MOT chip, does this also has a checksum ?
If so how is it calculated and where is it stored ?
"The really good drivers got the bugs on the side windows." Walter Röhrl
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Originally posted by vwnut8392 View Post
just use a chipset version that doesnt have immobilizer, its just easier. i use 8A0 907 551B software from RS2 in all cars. for with RS2 551B software you can use PRJ's checksum plugin to correct checksum in tuner pro RT.
If that works it solves my problem
but still doesn't answer the q : is it checksum in the MOT chip
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Figured out checksum in MOT, two bytes located in FF00 and FF01
to calculate it I used HxD (https://mh-nexus.de/en/programs.php)
Mark all content of Bin-file from 0000 to FEFF, select [Analysis / Checksums / Checksum-16] and press OK
but,
still wondering if RS2 551B will be ok in my ABY ...
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Originally posted by pfi View PostFigured out checksum in MOT, two bytes located in FF00 and FF01
to calculate it I used HxD (https://mh-nexus.de/en/programs.php)
Mark all content of Bin-file from 0000 to FEFF, select [Analysis / Checksums / Checksum-16] and press OK
but,
still wondering if RS2 551B will be ok in my ABY ...Last edited by vwnut8392; 17 March 2021, 21:25."The really good drivers got the bugs on the side windows." Walter Röhrl
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