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1993 940 N/A Rex/Regina ECU Interchange 900

Dear Fellow Brickboarders,

May this find you well? Is / are there any significant difference(s) between an engine control module, with the suffix "B" - used in the 1993 models - and the suffix "C", used in the 1994 models?

If a module with the "C" suffix were put into a car, factory-equipped with a module that had the "B" suffix, would the car run the same, or differently?

If there are differences, what are they?

Thanks for your help. I appreciate it.

Yours faithfully,

spook







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