Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
PROM - Programmable Read Only Memory: Customer Interest
Engine Controls - MIL ON/DTC's P0403/P0401 Set
TECHNICAL
Bulletin No.: 06-06-04-066D
Date: February 06, 2009
Subject:
Check Engine Light On, DTC P0403 Set (Check/Reprogram ECM and Perform EGR Valve Motor Cleaning Procedure)
Models:
2006-2007 Chevrolet Express, Kodiak C4500/C5500 Series, Silverado, Silverado Classic
2006-2007 GMC Savana, Sierra, Sierra Classic, TopKick C4500/C5500 Series
with 6.6L Duramax Diesel Engine (VINs D, 2 - RPOs LBZ, LLY)
Supercede:
This bulletin is being revised to update the correction information and to reduce the warranty labor time for the cleaning procedure due to the release of
new software. Please discard Corporate Bulletin Number 06-06-04-066C (Section 06 - Engine/Propulsion System)
