Isuzu Ascender 2003–2005 — technical service bulletin
Bulletin 0512001 · NHTSA communication 10014796 · issued Feb 1, 2005
Technical service bulletin
communication type
Equipment
component
2003–2005
model years
3
vehicle entries
Official summary
Intermittent a/c performance concerns in high ambient temperatures and or high humidity conditions especially at low engine speeds. *eh final release. *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.