Isuzu Ascender 2003–2005 — technical service bulletin
Bulletin 0604001 · NHTSA communication 10019124 · issued May 1, 2006
Technical service bulletin
communication type
Electrical System
component
2003–2005
model years
3
vehicle entries
Official summary
Malfunction indicator lamp (mil) on check engine light on, dtc p0526 set. *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.