Chevrolet Silverado 3500 2007–2009 — technical service bulletin
Bulletin PIT-4364A · NHTSA communication 10026794 · issued Jun 1, 2008
Technical service bulletin
communication type
Fuel System, Other
component
2007–2009
model years
5
vehicle entries
Official summary
Gmc: ses mil with dtc p1682. If normal diagnostic does not lead to correction, this concern could be caused by the rear fuel tank sender assembly being mispositioned. It could give an improper fuel level reading to the ecm. *pe updated 3/19/09. *pe
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.