Chevrolet Kodiak 2004–2005 — technical service bulletin
Bulletin PIP3394 · NHTSA communication 10024283 · issued Feb 1, 2008
Technical service bulletin
communication type
Power Train
component
2004–2005
model years
8
vehicle entries
Official summary
Duramax diesel injector driver codes with 6.6 engine (vin 2 - rpo lly). *nj
Vehicles covered
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.