Isuzu Ascender 2003–2007 — technical service bulletin
Bulletin 0605001 · NHTSA communication 10023132 · issued Sep 1, 2007
Technical service bulletin
communication type
Electrical System
component
2003–2007
model years
5
vehicle entries
Official summary
Service 4wd light illuminated, dtc c0374 set. *nj
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.