Quote:
Originally Posted by 97 SL320
If this TCU is an EGS52 or EGS53 it should be able to be recoded ( the older EGS51 had a one time programmable EPROM )
As a side note, I have a EGS51 from a 97 car that was replaced in 01 and it has a EEPROM ( reprogrammable ).
You could take the EPROM from the bad unit and solder it into the new unit or just get a TCU from the same exact car. Near as I can tell there isn't any VIN info or anti theft in these units.
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So, essentially, if I get one with the same part number, I should be able to swap it myself and save the cost of a new part, labor and programming fee? I have to assume that the new unit have to be programmed otherwise, the dealer should not have mentioned that fee.
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1991 F250 super-cab 7.3 IDI. (rebuilt by me) Banks Sidewinder turbo, hydroboost brakes, new IP and injectors.
2003 S430 - 107K
1983 300SD - Tanoshii - mostly restored ~400K+.
1983 300SD - Good interior. Engine finally tamed ~250K.
Monark Nozzle Install Video -
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