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-   1999 to 2003 7.3L Power Stroke Diesel (http://forum.gopowerhungry.com/forumdisplay.php?f=25)
-   -   Correcting spedometer for tire size (http://forum.gopowerhungry.com/showthread.php?t=5716)

907DAVE Mon, January 3rd, 2011 04:19 PM

Its worth a try, but I dont know for sure.

Also be aware, the ABS module can only be re-flashed 6 times IIRC, so try and get it right the first time.:rofl:

rammertide07 Tue, January 4th, 2011 08:28 AM

Quote:

Originally Posted by 907dave (Post 42696)
Its worth a try, but I dont know for sure.

Also be aware, the ABS module can only be re-flashed 6 times IIRC, so try and get it right the first time.:rofl:

Well that is great:rolleyes: Thanks

cleatus12r Tue, January 4th, 2011 10:36 AM

As Dave has pointed out (thanks Dave!):

The SD trucks have to have the vehicle speed sensor data changed in the ABS module to correct the speedometer/odometer. You have 6 chances to get as close as you can.

The OBS trucks have the programmable speedometer/odometer module. The series of steps you listed there are to reset the speedometer/odometer on those trucks.

Either find a way to reprogram the ABS module for the tire size, buy a VSS inline correction box (such as the Tru-Speed), or do the math a suggested by Longshot270.

rammertide07 Tue, January 4th, 2011 12:37 PM

Thanks for the input guys. Think I'll try that truspeed calibration. Shopping around and found it about $100 cheaper than normal list price.


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