Chevrolet Silverado 2500 2001–2003 — technical service bulletin
Bulletin 030730011 · NHTSA communication 10022259 · issued Apr 1, 2007
Technical service bulletin
communication type
Power Train
component
2001–2003
model years
12
vehicle entries
Official summary
Delayed engagement with allison transmission, cold hesitation, malfunction indicator lamp (mil) illuminated, dtc's p0701, p1709, p1711, p1713, p0841, p0843, p0847, p0870, p0872, and p0875. *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.