Jeep Grand Cherokee 4XE 2021–2026 — technical service bulletin
Bulletin 9100787 · NHTSA communication 11031248 · issued Mar 31, 2026
Technical service bulletin
communication type
Electrical System
component
2021–2026
model years
11
vehicle entries
Official summary
Before replacing High voltage harness, please note the connector bolt and connector seal is available for replacement. Please see below for Connector bolt and seal part number available. Reference SOL S2608000019
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.