Question about 2000 Pontiac Montana
2000 Pontiac Montana, 3.1L, AT, dual A/C.
Need to change out faulty ECM.
I have a replacement unit w/ identical numbers (both the SERVICE and HARDWARE nos. are identical matches).
Is this a do-it-yourself 'plug-n-play', or will it require divine intervention by the great Goodwrench god (eg the GM dealer)?
As long as HW, Firmware, and memory capacity are identical - it should be a plug and play. Otherwise you may have to swap out a few chips. Any dip switch settings or jumpers on it - check for that.
Posted on Jul 31, 2008
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Posted on Jan 02, 2017
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