Aih Code

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Dec 31, 2006 | 12:49 AM

bigtorque

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Joined: Sep 2006

Posts: 852

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From: ARIZONA

Aih Code

does unplugging the AIH to install my boost fitting throw the SES. or is it a
light code like the unpluged EBPV with no SES.
THANKS.

Dec 31, 2006 | 01:11 AM

GREGROB

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Joined: Dec 2006

Posts: 230

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From: Cheyenne, WY

It will not throw the SES light.
It will throw a 'soft' code.
That can hamper some diagnostic tests, but otherwise should be unnoticeable.

Dec 31, 2006 | 01:13 AM

bigtorque

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Elder User

Joined: Sep 2006

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From: ARIZONA

thanks greg, did you unplug yours, just wondering how you knew.

Dec 31, 2006 | 01:18 AM

GREGROB

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Joined: Dec 2006

Posts: 230

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From: Cheyenne, WY

Yep, 86'd mine.

Has never thrown an SES light, but is there when I scan for codes in Auto Enginuity.

Dec 31, 2006 | 08:15 AM

Uzumati

Post Fiend

Joined: Jun 2006

Posts: 5,497

Likes: 7

From: Central, Al

One of our sponsors sells an eliminator for the code, it is a "Resisted Wire" that runs from the relay to the groung lug for the IAH element that fools the PCM into thinking the IAH is still working.

http://www.puredieselpower.com/catal...541-p-109.html

Dec 31, 2006 | 11:02 AM

jtharvey

Lead Driver

Joined: Oct 2004

Posts: 7,413

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From: Columbia, MO

I've built two differnt "resisted" wires for mine to eliminate that code, and both ended up failing. So, I just dont' have one at all. There's really no need for it. The PCM won't do a darn thing any differently if the AIH is working or not, other than throw a code.

Kind of makes you think - if it takes the PCM throwing a code to tell you it's not working, is it really doing that much in the first place?