Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin 9100761 Rev 1 · NHTSA communication 11029783 · issued Feb 25, 2026
Technical service bulletin
communication type
Electrical System
component
2021
model years
3
vehicle entries
Official summary
Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
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.