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Americas Transmission Programming and clunking

Zimm

Grenadier Owner
Local time
9:29 PM
Joined
Apr 28, 2023
Messages
1,950
Location
Pittsburgh
It appears to me from driving more than one example, in high range the transmission is programed with gear holding/shifting, and tq converter slip such that for everyday street use the unit behaves in an unrefined and abrupt manner unconducive to smooth driving when stopping or in traffic. This increases with both positive and negative pitch of the nose, perhaps as an effort to control speed on hills, but with an aggressiveness that is excessive for dry pavement use, with the side effect of droning and poor 3-2 downshifts eliciting an unnerving clunk from the transfer case not experienced in other modern automatic SUVs.

Can you update the shift programming to eliminate these issues.

Please Advise.
Thank you.
 
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