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Third Generation Duramax Electronics/Tuners Discuss 2006-2007.5 LBZ & LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 01-10-2013, 06:41 PM   #1 (permalink)
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DIESAHL's Avatar
Join Date: Dec 2006
Location: Shippensburg,PA
Posts: 3,031
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i have a predator tuner on the 40hp setting and i am getting a PO402 code every now and again. and also when i go to plug in my predator do i really have to take out the 3 fuses they say too?

sold 9/17/16
2007 Classic ccsb LBZ, sport red
B&W gooseneck hitch
Line-X bed liner
20% tint
120,645 miles
4" mbrp cat back with 5" tip, cat delete pipe
(thanks paoutdoorsman)......(
removed the 6.6 thingy with a fernco cap
diablosport predator programmer

SOLD:2005 reg cab lly ,sport red
91,516 miles
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Old 01-10-2013, 07:44 PM   #2 (permalink)
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Location: Scotland Neck N.C.
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That code is an EGR related code and as far as the fuses go I've flashed my LBZ with a Predator, PPE xcelerator and EFI live probably a couple hundred times total and never removed the fuses. Just turn the fan, radio, lights etc. off and you'll be fine.

2006 Silverado LT1 CC/SB 4x4 LBZ / DA trans, DA/Precision high stall converter, EFI Live DSP5 by Diesel Addiction, Billet S475, Exergy 60% overs, custom Y-bridge, EGR delete, 3" boost tubes, Fuelab lift pump, tierod sleeves, cognito braces, Dipricol boost and EGT guages, pillar mount, Banks monster exhaust, PVC reroute, Watson Fab traction bars

sold 2003 GMC Sierra CC/SB 4x4 6-gun speedloader big head afe stage 2 Banks monster exhaust
sold 2002 Silverado CC/SB 4x4 stock

Member #24 NC DMAX'S

8.04 @ 83.75- 1.72 60' Best 1/8 with stock turbo
[email protected] 85.6 -1.61 60' with S475 and Drag Radials

Last edited by LWATSON; 01-10-2013 at 07:44 PM.
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