Chevrolet Lumina 1994 — technical service bulletin
Bulletin 576501 · NHTSA communication 39819 · issued Mar 1, 1995
Technical service bulletin
communication type
Electrical System
component
1994
model years
3
vehicle entries
Official summary
New prom for altitudes greater than 5200 feet above sea level. *tw
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.