Help with EPROM posted by na300zx (OH) on June 08, 2008 at 05:28 PM
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C26 could mean it's for a TT (it's part of the VIN).
Your best bet would be to get the digital data out of it and compare it to a JWT. You can either (1) find someone with a ROM reader or (2) put it back into the ECU and into a car and run an application like NIStune or Conzult.