Chevrolet Kodiak 2004–2005 — technical service bulletin
Bulletin 3394 · NHTSA communication 10017120 · issued Oct 25, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
8
vehicle entries
Official summary
6.6 lly injector driver codes. Misfire, rough running, and the mil/ses light on. *sc
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.