Engine swap would PCM work with different engine code

1996 GMC JIMMY
191,770 MILES • 4.3L • V6 • 4WD • AUTOMATIC
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PATW54
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I was wondering if a PCM would work if engine code is different? I'm swapping motors on my vehicle listed above and this code is W the 8th letter, and the motor I'm putting in is X the 8th letter, and I was wondering if the PCM's. Would interchange with each other? Or do I need to buy another PCM. both have the same motor 4.3L vortec.V6
Oct 19, 2019 at 1:43 PM
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ASEMASTER6371
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Good morning,

Can you give me the number off the computer for your current engine as I will cross-reference the numbers for you?

Roy
Oct 20, 2019 at 4:29 AM
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PATW54
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You want VIN number or what?
Oct 30, 2019 at 6:00 PM
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ASEMASTER6371
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No, the numbers off the ECM.

Roy
Nov 1, 2019 at 12:07 PM