2008 EATC self test
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Tuned
Joined: Jul 2007
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From: Tennessee
2008 EATC self test
I have read somewhere, whether on here or elsewhere not sure of, about the EATC self test procedure for diagnostic test on the EATC in the 2008-10 SD's. Something about turning the key on, pushing the auto and maybe another button at the same time, then another button. The AC system will go through a diagnostic and actuate the doors of the ductwork, valves, and display any trouble codes. I found one for a 2006, but that procedure doesnt work on my 08. They changed something. Anyone? PLEASE? Thanks in advance.
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Tuned
Joined: Jul 2007
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From: Tennessee
Got a noise coming from in there Tom. Cant seem to isolate it. I know there is a procedure for running a self-diagnostic test on them by hitting a couple buttons and then the doors and valves energize and any DTC codes will display. Ive done it before but cant seem to find it.
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Tuned
Joined: Jul 2007
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From: Tennessee
Thats it! Thanks to Senix and bnmccoy, who was kind enough to send me the procedure via email.
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Tuned
Joined: Jul 2007
Posts: 413
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From: Tennessee
I got the procedure to work once, and despite the help from Senix and alot of internet searching, I can't for the life of me find it again. I know you turn the key on, push a couple of buttons for about 5 seconds, then release them and push another one, and it lights up every led on the screen of the climate control, energizes all the doors and actuators, goes through a few checks, and if there is a code it will present it. After finishing, it will simply turn back off. Ive sat out there and tried every button combo I can think of and cant get it to do it. I tried PM'ing cheezit, cuz I think he's a mechanic, but no luck getting to him. I wish I could find out how to do it again cuz this noise is driving me crazy. I love the sound of a diesel. For years before I became a Flight Medic I was a Paramedic and drove an ambulance, so when Im in the truck I rarely listen to the radio and just listen to the engine running. Music to MY ears.
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From: Isanti, MN
Try this:
This is for a Crown Vic, but the system may be the same...
To enter the self-test, press the OFF and FLOOR buttons simultaneously and then press the AUTOMATIC button within two seconds. The display will show a pulse tracer going around the center of the display window. The test may run as long as 30 seconds. Record all DTCs displayed.
If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given.
If any DTCs appear during the self-test, follow the diagnostics procedure given under ACTION for each DTC given.
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Joined: Sep 2008
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From: Gulf Coast
What's going on with your ac? Why the need for the test? I've did it once on my 08 but can't remember the procedure. I do remember that when I did the self test it still didn't show my issue, which was a door actuator under passenger side.