Chevrolet Silverado 2004–2005 — technical service bulletin
Bulletin 3100C · NHTSA communication 10018575 · issued Jan 6, 2006
Technical service bulletin
communication type
Engine and Engine Cooling
component
2004–2005
model years
4
vehicle entries
Official summary
SES LIGHT DUE TO DTC P0116. *TT
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.