Chevrolet Express 1998 — technical service bulletin
Bulletin 040604030 · NHTSA communication 10012599 · issued Apr 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
1998
model years
2
vehicle entries
Official summary
Revised diagnostic trouble code p0236. *eh
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.