Isuzu Ascender 2003 — technical service bulletin
Bulletin 0513003 · NHTSA communication 10014832 · issued Mar 1, 2005
Technical service bulletin
communication type
Equipment
component
2003
model years
1
vehicle entries
Official summary
Onstar system inoperative onstar system status light is red radio locked in phone mode or dtc b1000. *eh
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.