Chevrolet Silverado 2001–2004 — technical service bulletin
Bulletin 3072 · NHTSA communication 10009622 · issued Jan 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
8
vehicle entries
Official summary
The engine coolant temperature or intake air temperature sensor may read -40 degrees when monitored with tech 2. *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.