Chevrolet Silverado 2005 — technical service bulletin
Bulletin 3656 · NHTSA communication 10021674 · issued Jun 15, 2007
Technical service bulletin
communication type
Unknown OR Other
component
2005
model years
2
vehicle entries
Official summary
Lct1000 tow/haul indicator inoperative with rpo 5g8. *kb
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.