Starter inoperative-- 6 speed-- after a jump start - 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 6 (permalink) Old 06-21-2012, 02:29 PM Thread Starter
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Starter inoperative-- 6 speed-- after a jump start

GM has issued a TSB on the problem.

https://www.duramaxforum.com/forum/tr...m-shorted.html

Chevy 04.5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, shimmed, Pre-fuel filter, tow mirrors, BU cam, gauges, GPS, Sirius, bags, custom grille, fender vents, HD trans cooler- Curt front hitch, footwell lights, load lights, Studs, head gaskets.
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post #2 of 6 (permalink) Old 06-21-2012, 02:47 PM
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Good to know! Thanks!

LBZ CCSB 4x4. deleted. re-routed. shimmed. EFI by Kory 4" MBRP downpipe-back w/Corsa muffler. Alligator trans cooler hoses. 3" Pro-Fab downpipe. Transgo Jr. Banks ram air intake. MA pump rub fix. Rare Parts tie rods. Fumoto Valve. AirDog 150. Nicktane CAT filter adapter. SoCal 3388AF. ProFab charge pipe & Y-bridge. Mahle +0.020 pistons. ARP head studs, main studs, flywheel. Rotating assembly balanced. Merchant Auto motor mounts. Curt class 5 hitch.

10/30/14- cracked piston
03/14/15-Back from the dead
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post #3 of 6 (permalink) Old 06-26-2012, 12:53 PM
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Do not ground welders,battery chargers,electrostatic painters or any other equipment to the heatsink.Disconnect the 80 way connector from the TCM when electrically welding etc. to the vehicle.

Who in the hell would ground to the TCM case?! Shouldn't be a TSB, should be a way to go Dumba$$.. pay for a new one!!
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post #4 of 6 (permalink) Old 10-05-2012, 10:20 AM
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Where is the TCM? I know where the computer (ECM?) is but well I guess I have not looked. I have been an LBZ owner for about 1.5 weeks now.
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post #5 of 6 (permalink) Old 10-12-2014, 10:56 PM
 
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TCM is the module mounted to the back, driver side, upper half of the radiator shroud on the LBZ. ECM is just down from the battery on the driver side.
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post #6 of 6 (permalink) Old 05-16-2017, 07:27 PM
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My friend had the same issue after hooking up cables backwards. It fried a internal circuit in the underwood fuse box


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