LBZ no manual shift, replaced shift lever, still no manual shift - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

 
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post #1 of 1 (permalink) Old 01-13-2020, 06:16 PM Thread Starter
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Join Date: Mar 2013
Location: Las Vegas,Nv
Posts: 11
LBZ no manual shift, replaced shift lever, still no manual shift

Hello everyone, Happy New Year. Great forum here!

So my 2006 ccsb 4x4, all stock except batmowheel. Since I bought the truck (2years ago) the manual shift option has never worked, I put off fixing it until this week. I tore the column apart and would you know it— I found broken wires. The tow haul button has always worked....I figured it was a simple fix so I fixed the broke wires in the shifter but still nothing. Tow haul button still worked fine. So I swapped the shift lever out of my 07 Classic LBZ to see if it was actually the shifter bad and still nothing. Just stays in 6th gear on the DIC when shifted to manual mode. So what is likely to be the culprit? Bad tcm? Weird because the truck shifts fine in D and tow/haul functions perfect. Any suggestions would be greatly appreciated. 🙏 🙏 🙏

-2006 CCSB 4x4 steel gray LT Lifted LBZ/ally 6speed, batmowheel, downpipe, all stock

-2007 classic SCLB W/T 2wd LBZ ally 6speed all factory stock

***In God I trust and serve...not u liberals. TRUMP 2020
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