Jeep Grand Cherokee 2022–2023 — technical service bulletin
Bulletin 9100222 · NHTSA communication 10248513 · issued Sep 20, 2023
Technical service bulletin
communication type
Lane Departure
component
2022–2023
model years
6
vehicle entries
Official summary
Rear corner radar Lost communication with right or left rear radar (U02B6/U02B7). Follow the procedure for the DTC. If the DTC is still active proceed with doing radar Pin Unlock and complete a radar swap. After doing a proper swap vehicle will need to be driven to calibrate. If the issue does not follow the radar, then proceed with changing wiring on the side that is causing the issue.
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.