[tunerpro] Re: Question about Aurora XDF

  • From: "David Allen" <davida1@xxxxxxxxxx>
  • To: <tunerpro@xxxxxxxxxxxxx>
  • Date: Fri, 18 Nov 2011 11:31:03 -0600

Robert, have you posted your XDF anywhere? I would like to give it a try.
Thanks,
David
  ----- Original Message ----- 
  From: Robert Saar 
  To: tunerpro@xxxxxxxxxxxxx 
  Sent: Wednesday, November 16, 2011 7:02 PM
  Subject: [tunerpro] Re: Question about Aurora XDF


        i've written a very basic XDF for the 95 Northstar/Aurora PCMs(93 and 
94 have different code masks), but they are quite complex and i'm sure a lot is 
missing.

        i originally disassembled and wrote the XDF to grab values out of the 
factory tunes for a good starting place to use a 94-95 truck PCM and use $0D as 
a trans-only controller.

        --- On Wed, 11/16/11, David Allen <davida1@xxxxxxxxxx> wrote:


          From: David Allen <davida1@xxxxxxxxxx>
          Subject: [tunerpro] Re: Question about Aurora XDF
          To: tunerpro@xxxxxxxxxxxxx
          Date: Wednesday, November 16, 2011, 8:39 PM


          Yep, it was the last year before OBDII came in. 

          I did look and all I could find was an ALDL data definition.

          I've been looking for this for about 2 years actually!
            ----- Original Message ----- 
            From: Ryan Eaton 
            To: tunerpro@xxxxxxxxxxxxx 
            Sent: Tuesday, November 15, 2011 7:40 PM
            Subject: [tunerpro] Re: Question about Aurora XDF


            Wow.  That's pretty intense.  You checked all the TunerPro forums?


            On Wed, Nov 16, 2011 at 5:05 PM, David Allen <davida1@xxxxxxxxxx> 
wrote:

              Ryan, it has a one-unit PCM that does all engine and transmission 
functions.

                ----- Original Message ----- 
                From: Ryan Eaton 
                To: tunerpro@xxxxxxxxxxxxx 
                Sent: Tuesday, November 15, 2011 7:05 PM
                Subject: [tunerpro] Re: Question about Aurora XDF


                Do you know if that is directly controlled by the ECU or if 
that is based off of TCU control?  The computer for the transmission is often 
quite independent of the ECU for the engine and only relies on a few signals 
between the two.  It may even be a matter of cutting a single wire that 
controls that part of the operation. 


                -Ryan


                On Wed, Nov 16, 2011 at 4:24 PM, David Allen 
<davida1@xxxxxxxxxx> wrote:

                  Hello all.  I've been unsuccessfully looking for an XDF for a 
1995 Olds Aurora 4.0.

                  I've looked for this on and off for about 2 years.

                  Anyone have info it would be greatly appreciated.  
Specifically I am trying to turn off the diagnostics for transmission and turn 
off adaptive shifting.

                  Thanks in advance!
                  Sincerely,
                  David 
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