Chevrolet Silverado 2006 — technical service bulletin
Bulletin 3681 · NHTSA communication 10019222 · issued Feb 21, 2006
Technical service bulletin
communication type
Power Train
component
2006
model years
2
vehicle entries
Official summary
Allison lct 1000 overheat diagnostic trouble code p0218, p0741 and /or p0742. *ak
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.