3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

2008 Flash Questions

Old Jun 22, 2008 | 12:41 AM
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2008 Flash Questions

all - while back I was experiencing some harsh downshifting...took the truck in and they told me it was a software update. After reading this forum and learning a little more, took the truck in and they flashed it...dealer put a sticker on the engine compartment that ends in AD--is this the correct flash for my 2500 Auto 2008 6.7L? Just not real confident...flash seemed to correct some of the harshness but truck seems to shift hard sometimes still?
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Old Jun 22, 2008 | 05:52 AM
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What is the full part number?

Azzy reported that he was told that the latest ECM flash (62350235AQ) incorporated the harsh downshift fix, so it would seem that you should have the AQ flash. Your dealer will be the only one that can tell you though.
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Old Jun 22, 2008 | 07:51 AM
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I'm not fully convinced that my harsh downshifting is fixed.
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Old Jun 22, 2008 | 09:29 AM
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flash details

here is what they wrote on the sticker...

05187276AD
TSB 21-019-07

performed Mar 15, 2008

is this the correct flash for my truck? Should I have them install the most recent if available? Thanks!
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