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Automatic Transmission Control Unit Signal to ECU

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Old May 6, 2002 | 07:34 AM
  #1  
FLO_BOY's Avatar
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Automatic Transmission Control Unit Signal to ECU

Huh?
Anyone seen this before?
What was your resolution?
What were your symptoms?

ALL HELP IS APPRECIATED


FLO_BOY
Old May 6, 2002 | 08:44 AM
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I had that one. Dealer replaced my control unit under warranty.
Old May 6, 2002 | 08:46 AM
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Originally posted by njmaxseltd
I had that one. Dealer replaced my control unit under warranty.
OK, and what were your symptoms?

FLO_BOY
Old May 6, 2002 | 09:14 AM
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Re: Automatic Transmission Control Unit Signal to ECU

Originally posted by FLO_BOY
Huh?
Anyone seen this before?
What was your resolution?
What were your symptoms?

ALL HELP IS APPRECIATED


FLO_BOY
Yes, I had this code before. What happened was that I slammed on the brakes avoiding an accident. My car then was stuck in first gear. It would not shift automatically at all. I then turn off the car, sat for a couple of minutes, and re-started the car. My "overdrive lamp" started flahing, then quit. Car then shifted normally. I think what happened is that my gears "locked" up when I slammed on the brakes. I never heard of this before, but at least the tranny computer reset itself, saving myself from a lot grief from any transmission failure.
Old May 6, 2002 | 09:28 AM
  #5  
Ramius83
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The Maxima has an "automatic repsonse", according to Daniel B., to turn off the engine after the brakes have been slammed that hard. Happened to me once before.
Old May 6, 2002 | 09:44 AM
  #6  
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I had the same problem when I was torque braking, my transmission would not go into Overdrive. I parked my car for a little while and then drove off with the transmission shifting normally and I did notice that the OD did flash 3 times before going off.
Old May 6, 2002 | 09:46 AM
  #7  
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I actually pulled this as a code from the ECU -- no flashing O/D light.

FLO_BOY
Old May 7, 2002 | 03:57 PM
  #8  
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i have same code right now...i did a really big burn out...now im in failsafe and got that code??? i need some advice on what to do????
Old Dec 9, 2002 | 12:05 PM
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Well it just happened to me, OD light not working, wont engage d2 or d1... im under warranty as well, now to make an appointment with nissan, anyone else have this problem or wanna tell me what they did ?
Old Dec 9, 2002 | 12:16 PM
  #10  
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Well it just happened to me, OD light not working, wont engage d2 or d1... im under warranty as well, now to make an appointment with nissan, anyone else have this problem or wanna tell me what they did ?
Old Dec 9, 2002 | 05:47 PM
  #11  
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If you find yourself in need of maximum braking power in your automatic, push the stick forward from D to N. Don't use your thumb on the "release" button, just push the stick forward. You'll be surprised at how much that helps. The stick will not go into reverse . . . unless you are pushing the thumb switch as well.

I tend to do this on auto cars just to make the braking smoother, too.

DW
Old Dec 10, 2002 | 02:32 PM
  #12  
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i just got the same code from the ecu... it's 0804 or something like that. i reset the ecu and nothing has gone wrong.
Old Dec 11, 2002 | 05:20 PM
  #13  
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Ok well i took it to nissan, they fixed it ... supposedly there was a blown fuse ???? .......... so now i get home and same problem occurs, i didnt pull the ecu code and im not going to as the same set of symptoms are occuring as the first time.

Sooooooooooo back to nissan we go. Seems to be that i have a short somewhere .... what gives ?
Old Dec 20, 2002 | 07:48 PM
  #14  
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I just pulled this code from the ECU as well. I was screwing around last night and stepped on it and hit ice and hit redline in my auto. I also pulled a "Front Right Heated O2 sensor" code at the exact same time... Any reason for the both at the same time?!?! Was it just too much, so fast for the O2?!?! I am shifting fine, and D1 and D2 work fine. Think I just put the tranny into a protection mode temporarily, or could this be something that could lock up the tranny?!?!? Anybody have horror stories to the point that I should bring it to a nissan dealership.

Thanks for any help you can offer!

Jason
Old Dec 21, 2002 | 02:28 PM
  #15  
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Originally posted by Stillnmax
what gives ?
Nissan service sucks.
They are CRIMINALs, and have FLAT OUT LIED to my face.
That's all

FLO_BOY
Old Dec 30, 2002 | 11:39 AM
  #16  
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I just pulled this code (0504) today. It turned on towards the end of my trip to NJ while I was still at a steady highway speed. When the light came on, I thought it was the rear heated O2 Sensor (0707) code that came on about a month before that turned it on again, which I also pulled as well today from the ECU.

No problems shifting, no failsafe, just the 0504 code with the 0707 code on top of it. Is there any concern or anything I should look for in the future regarding this code? I read all the above posts and there are no obvious symptoms. Look at my sig for mods if you need to know.
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