Chevrolet Chevrolet 2001–2002 — technical service bulletin
Bulletin 151001 · NHTSA communication 627994 · issued Oct 15, 2001
Technical service bulletin
communication type
Power Train
component
2001–2002
model years
6
vehicle entries
Official summary
Information on car and light duty trucks equipped with 4l60e and 4l65e automatic transmissions exhibiting diagnostic trouble code p0756 for 2-3 shift valve performance that is set when the pcm detects a 4-3, 3-4 shift pattern. *tt
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.