4L60E 2-3 shift issues

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Oct 29, 2012 | 09:21 AM

#21

mrvedit

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Joined: Aug 2010

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From: Ann Arbor, MI

Quote:

Originally Posted by RonSSNova

Gets confusing listening to Camaro talk when it comes to OD vs D.
The C5 Vette has the following:
1 Low only
2 2nd only (want to slow the car by 6 tenths? Start in 2!, but it sure won't spin)
3 Shifts 1-2-3
D All 4 gears

That's why I always write [D3] and [D4] to eliminate confusion.

I don't see how/why the 1-2 shift would be "less violent" in [D4] than [D3], but perhaps the PCM is doing something not defined by the tables.

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