Duramax Diesels Forum Truck of the Week
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Old 05-16-2018, 11:41 PM
Griz Griz is offline
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Default Stock OS number

Can anyone tell me me what the operating system number (or a link) for a 2005 extended cab short bed 4x4 DMAX/Ali? the one for the trucks that had the GM TSB for the LBZ mouthpiece and air box.the cops in so cal busted me for modified emissions equipment. And Iíve got to take some things back to stock befor I go see the smog referee, and the previous owner did not provide me with the stock tune files. If it helps the VIN# 1gchk29225e316930
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05 EC/SB, Danville stg.2R hairdryer, Inglewood trans, ATP tuning, and some other stuff.
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Old 05-17-2018, 06:03 AM
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DAVe3283 DAVe3283 is offline
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https://calid.gm.com/

Enter your VIN and it will tell you every single module's OS and CVN (checksum) that is expected for the truck.

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Old 05-17-2018, 10:30 AM
Bdsankey Bdsankey is offline
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I have an up-to-date stock read when I thought my ECM was failing. It was the most recent as per feb/march-ish 2017.

05 ECSB, LT (leather, bose, climate control, sunroof, steering wheel controls).
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1) Toy: 2005 LLY ECSB, Leather, Sunroof
-820hp/1748ft-lbs @ Duramax Tuner (6/25/18)
-Built Motor, Billet S475/87/1.00 T4, Modded Exergy 250% Injectors, Exergy 14mm Street Pump/LBZ CP3, Goerend J Converter, Billet Trans w/DEFEO 6 Pinion Planet, Fuelab Supply Pump/Reg, RCD Sump, Front E-Locker, TrueTrac, Yukon 4340 Rear Shafts, Traction Bars, DHD Center Link Brace, DHD Lower Crossmember Support


2) DD/Tow Rig: 2002 LB7 CCSB, Leather, Loaded
-Bosch Reman Injectors, FASS 150, 3" Downpipe, 4" Downpipe Back, Beans Sump, PPE Sleeves, DHD Centerlink Brace, DHD Lower Crossmember Support, Steering Wheel Radio Control Swap
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Old 05-17-2018, 10:01 PM
1FastBrick 1FastBrick is offline
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Have you got a copy of your current modified tune files?

Do you have a way to flash the ECU?

Also I have heard you can just pay the fine and not ever take it to the referee
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