Chevrolet Express 2003 — technical service bulletin
Bulletin 040604049 · NHTSA communication 10012111 · issued Jul 1, 2004
Technical service bulletin
communication type
Engine and Engine Cooling
component
2003
model years
2
vehicle entries
Official summary
False start with malfunction indicator lamp light on, p0191. *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.