Chevrolet Corvette 1997–2004 — technical service bulletin
Bulletin 020604022A · NHTSA communication 10004754 · issued Oct 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
1997–2004
model years
8
vehicle entries
Official summary
Powertrain control module (pcm) reprogramming and data line diagnosis using j42236a. *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.