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Hi,
my customers 2009 ctsv autom. shifts on highway from 6 to 5 and i dont know why.
my customer like to drive up to 250km/h in 6 gear to save fuel but on light accererate 50% TPS the car shifts at 221km/h down in 5 gear. (see log file time 2:54)
any ideas?
Thanks
Was the trans in sport mode? As it will downshift from 6th to 5th at ~50% TPS at 221 kph. Just lower the shift speed table.
Russ Kemp
not in Sport mode, shifter is on D.
there is no point in the tables compare with the shift. what shift speed table you mean? i never done anything on trans tabes.