Jeep Wrangler 2018–2022 — technical service bulletin
Bulletin 2308923 · NHTSA communication 10243241 · issued Aug 8, 2023
Technical service bulletin
communication type
Electrical System
component
2018–2022
model years
5
vehicle entries
Official summary
Rear Defroster Inoperative Customer may experience the following: ? Rear window is not defrosting ? The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin involves replacing the Electric Backlite (EBL) wire connector repair and re-securing the electrical connector(s) to the rear window.
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.