Chevrolet Trailblazer 2002 — technical service bulletin
Bulletin 3371 · NHTSA communication 10013521 · issued Apr 20, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2002
model years
3
vehicle entries
Official summary
Engine no crank no start with possible (dtcs) diagnostic trouble codes p0116 and/or p1682. *tt
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.