Jeep Grand Cherokee 1993 — technical service bulletin
Bulletin 240493 · NHTSA communication 39542 · issued Feb 1, 1993
Technical service bulletin
communication type
Equipment
component
1993
model years
2
vehicle entries
Official summary
Automatic temperature control - temperature and blower speed variations. *tw
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.