KAM check failure code

90stang5speed · Jan 21, 2013

I just started trying to use my TWEECER RT on my new to me 90 mustang. I noticed in the data logs that theKAM data is always 1 and I know Im not that good at tuning. I checked for check engine codes and one of the codes I got was KAM check failed. I checked to see if i had any bad fuses and didnt have any. Then I looked for a wiring diagram and found that KAM power is supposed to be at pin 1. I checked for power at pin 1 with a multimeter and had 12 volts. dose this mean my eecm is faulty? Is there more I should check

liljoe07 · Jan 21, 2013

code 15? Usually thats just from the presence of the tuner/chip, and not having an updated checksum. Ive never used the tweecer, so im not sure if it updates the checksum like it should. Lots of SCT, Diablo and soforth will have that same code because the tuner didnt address the checksum issue.

90stang5speed · Jan 21, 2013

Im not disagreeing with you about code 15 but, I havent disabled CL closed loop so it should have KAM right?

liljoe07 · Jan 21, 2013

Thats not what that code means all the time. Its also a ROM code. When the Checksum isnt addressed or updated, It will log code 15. Code 15 is a ROM or KAM code.

90stang5speed · Jan 21, 2013

Ok. I understand the check sum update causing the code 15. Any insite into why the KAM data is always 1 and not changing to adjust the tune? thanks for explaining the code 15

liljoe07 · Jan 21, 2013

What software are you using to tune with?

90stang5speed · Jan 21, 2013

Im using BE & EA with the TWEECER RT. I would email you my tune if I knew how. Any and all sugestions on the tune would be appricated. I just did a basic tune up. Plugs, wires, cap & rotor, fuel filter and still have a miss. Im trying to get the MAF dialed in as Im using an o5 slot style in a 4" pipe thats how I found the KAM data isnt changing

liljoe07 · Jan 21, 2013

I use the 05 slot as well. I used a spreedsheet that basically gave me the MAF transfer. Its actually pretty damn accurate. Did you use that spreed sheet aswell?

90stang5speed · Jan 21, 2013

could you post the spread sheet or copy & paste Your MAF transfer? I found a transfer function online but if what you have was really close, I would like to try it. thanks.

90stang5speed · Jan 21, 2013

Looking for advice on the KAM data on the EECtuner forum also. it was recommended that I check the ACT scalar and for some reason the min ACT scalar was at 200. Ive set it to 40 now and will try that out tomorrow

liljoe07 · Jan 21, 2013

Yes cgrey8 is right on.
My tube diameter is different, so my Transfer wont work for you. But here is the link to a thread with the Spreedsheet.

http://eectuning.org/forums/viewtopic.php?f=1&t=18568&hilit=slot+style+maf+sensor

90stang5speed · Jan 21, 2013

thanks a bunch for the link

7991LXnSHO · Jan 24, 2013

Interesting, but should this be in the tuning section for, best answers?

90stang5speed · Jan 24, 2013

I guess you might be right that i should have posted in tuning but, at the time, i thought the problem was more mechanical. as it turns out with the slot maf i hardly reach 100 degrees air intake temp. so tuning was the fix.

f8tlfiveo · Jan 25, 2013

Did you use the iat in the Maf? I have the same style Maf and I am using the stock iat in runner number 5.. I didn't have this problem

90stang5speed · Jan 25, 2013

yes. I use the IAT sensor that is in the maf. I dont have a stock style intake so I cant use the original IAT in its factory location.

f8tlfiveo · Jan 25, 2013

Ok. I didn't have a tapped boss in mine either. I put one in..

KAM check failure code

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KAM check failure code

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