Jeep Grand Cherokee 4XE 2021–2026 — warranty extension
Bulletin 110771 · NHTSA communication 11030034 · issued Mar 5, 2026
Warranty extension
communication type
Electrical System
component
2021–2026
model years
10
vehicle entries
Official summary
ID-26-06 Rev. A (XU1) High Voltage Battery Pack - Select 2021-2025 Jeep Wrangler (JL) and 2022-2026 Jeep Grand Cherokee/ Grand Cherokee (WL)
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.