Jeep Grand Cherokee 1999–2001 — technical service bulletin
Bulletin 0800401B · NHTSA communication 629137 · issued Dec 20, 2001
Technical service bulletin
communication type
Seats
component
1999–2001
model years
3
vehicle entries
Official summary
On some vehicles the heated seat may be inoperative due to an open circuit in the seat cushion heating element. *tt
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.