Chevrolet Express 2006–2007 — technical service bulletin
Bulletin 060604066 · NHTSA communication 10021106 · issued Mar 1, 2007
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2007
model years
22
vehicle entries
Official summary
Lbz, lly, engine with rough idle, poor performance, black/white exhaust smoke, mil/ses light on and one or more of the following dtc's p003a, p060b, p0230, p0403, p0401, p0606, p2146, p2149, p2152, p2155. (reprogram ecm and replace egr motor or egr valve. *kb updated 04-27-07. *kb updated. *pe
Vehicles covered
- 2006 Chevrolet Express
- 2007 Chevrolet Express 1500
- 2007 Chevrolet Express 2500
- 2007 Chevrolet Express 3500
- 2006 Chevrolet Kodiak
- 2007 Chevrolet Kodiak
- 2006 Chevrolet Silverado
- 2007 Chevrolet Silverado 1500
- 2007 Chevrolet Silverado 2500
- 2007 Chevrolet Silverado 3500
- 2006 GMC Savana
- 2007 GMC Savana 1500
- 2007 GMC Savana 2500
- 2007 GMC Savana 3500
- 2006 GMC Sierra
- 2007 GMC Sierra 1500
- 2007 GMC Sierra 2500
- 2007 GMC Sierra 3500
- 2006 GMC Topkick
- 2007 GMC Topkick
- 2006 GMC Topkick 6500
- 2006 GMC Topkick 8500
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.