Chevy/GMC Duramax 2011 LML Discussion of Chevy and GMC Trucks with LML Duramax Turbo Diesel Engines

LML transmission

Old 05-03-2016, 01:23 PM
Diesel Fan
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Join Date: Apr 2013
Location: Florida
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Default LML transmission

should you get a P0700 code ...
and its P0721,P0722 in the tcm check the speed sensor , speed sensor wire too.
it causes shift problems and puts it limp mode.
change the speed sensor problem fixed. unless the wires is damage.
my wires weren't damaged just the speed sensor when bad

2011 4x4 LML duramax

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