Chevrolet Silverado 2004–2007 — technical service bulletin
Bulletin PIT4780M · NHTSA communication 10112984 · issued Apr 18, 2013
Technical service bulletin
communication type
Equipment
component
2004–2007
model years
12
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the 2004-2007 Parallel Hybrid Truck parts will be placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
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.