Jeep Grand Cherokee 1999–2004 — technical service bulletin
Bulletin 2400104 · NHTSA communication 10005603 · issued Jan 20, 2004
Technical service bulletin
communication type
Visibility
component
1999–2004
model years
6
vehicle entries
Official summary
New hvac sub-assembly replaces blend or recirc door components. *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.