Chevrolet Colorado 2004–2006 — technical service bulletin
Bulletin 3867 · NHTSA communication 10019457 · issued Mar 15, 2006
Technical service bulletin
communication type
Electrical System
component
2004–2006
model years
6
vehicle entries
Official summary
Servicing the ignition switch and/or passlock sensor. *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.