Which ECM is better? - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 5 (permalink) Old 02-16-2017, 02:39 PM Thread Starter
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Thumbs down Which ECM is better?

I currently have an ECM that ends in AF and I recently came across on that ends in AD...whats the difference and is one better than the other? I tried finding a list of ECM's here on the site but have not had any luck yet.

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post #2 of 5 (permalink) Old 02-16-2017, 04:47 PM
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What year and engine do you have? You want to match engine and OBD type ether 1 or 2.
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post #3 of 5 (permalink) Old 02-16-2017, 06:44 PM Thread Starter
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It's a 97 Eagle Vision 3.5L. Would both of them work? If they are the same i'll just leave the AF in
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post #4 of 5 (permalink) Old 02-19-2017, 02:22 AM
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If you can provide full part numbers I can try to see if there is a TSB referencing why there is a difference.
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post #5 of 5 (permalink) Old 02-19-2017, 02:38 AM
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Looks like the Base part number for a 1997 3.5 without PHP is: 04606762
For PHP it's: 04606763

The two letters at the end designate the revision...newer will have a higher letter. Most likely the programming changed. A PCM with the same base part number (The numbers/digits) in this case an AF will be newer than an AD if the base number is the same.

PHP = Performance handling Package. Check your door sticker to see what the tire rating is. If it's "V" rating it's PHP. No V no PHP.
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