How to update PGM-FI software?

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Jun 11, 2018 | 07:31 AM

Randot

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Honda-Tech Member

Joined: Jun 2018

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How to update PGM-FI software?

Due to a P0404 code I need to replace my EGR valve and update the software. Is it possible for an owner to download and update the software?
Thanks to this forum for providing the TSB for this issue.

Jun 11, 2018 | 08:00 AM

DCFIVER

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Joined: Mar 2004

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From: Looking for SloMofo....

Re: How to update PGM-FI software?

Quote:

Originally Posted by Randot

Due to a P0404 code I need to replace my EGR valve and update the software. Is it possible for an owner to download and update the software?

Yes.

You need to purchase a subscription to Honda Service ,a "clean" battery charger(A charger suitable for programming/flashing modules), HDS software and an HDS interface. (MVCI, Mongoose, etc....) All total, roughly about $3k-$4k to get set up.

Or pay $100-$150 to a shop that is already set up.....

(If you have an early 2000s Honda or older, you must replace the PCM as they are not reflashable)