Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 0820223 · NHTSA communication 10243270 · issued Aug 24, 2023
Technical service bulletin
communication type
Seats
component
2023
model years
1
vehicle entries
Official summary
Poor Heated Seat Performance Heated seats are not heating up as expected. This bulletin involves using wiTECH to perform a HVAC routine.
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.