Jeep Wrangler 2021 — technical service bulletin
Bulletin Z27 · NHTSA communication 10225245 · issued Aug 25, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Customer Satisfaction Notification Z27 PHEV Battery Replacement
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.