Jeep Wrangler 2020 — technical service bulletin
Bulletin 23-001-21 · NHTSA communication 10218548 · issued Aug 3, 2021
Technical service bulletin
communication type
Unknown / Other
component
2020
model years
1
vehicle entries
Official summary
Rear Glass Prop Rod Failure This bulletin involves inspecting the rear backlite prop rod Julian dates and possibly replacing both prop rods. Customer may comment on the following:Rear glass fails to stay in the open position (prop rods will not support glass).
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.