U0101&u0106 electrical - 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 3 (permalink) Old 08-13-2019, 04:32 PM Thread Starter
lbz2017's Avatar
Join Date: Aug 2019
Posts: 2
U0101&u0106 electrical

I’m screaming for help. Friday truck started acting very weird. Check engine light came on. Glow plug light came on. Abs light, parking brake light, service brake system indicator, speedometer quit working, edge cts monitor quit working, mileage on cluster does not go up. Shifts hard at 2500 rpms, will not lock into 5th-6th gear.

Cleaned grounds. Unplug monitor. Unplugged batteries. Unplugged radio. Unplugged cluster. Checked batteries/alternator. Checked wires.

It’s my daily driver and I need it fixed. Any help would be greatly appreciated!!!
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post #2 of 3 (permalink) Old 01-04-2020, 04:42 AM
DuramaxForum n00b
Join Date: Nov 2018
Posts: 24
Any update on what happened?
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post #3 of 3 (permalink) Old 01-04-2020, 05:06 AM
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theheder's Avatar
Join Date: Feb 2016
Location: Raleigh NC
Posts: 148
Sounds like the GM high speed LAN has issues communicating with all of the modules.

2007 Silverado Classic 3500 SRW CCLB LT3 LBZ
All stock with @341k+ and still going.
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