Chevrolet Silverado 2001 — technical service bulletin
Bulletin 010604035 · NHTSA communication 623240 · issued Jun 1, 2001
Technical service bulletin
communication type
Fuel System, Gasoline
component
2001
model years
3
vehicle entries
Official summary
Information regarding non serviceable connectors on the fuel injector control module harness for the duramax 6600 diesel engine. *yh
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.