Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin S2123000067RevB · NHTSA communication 10227998 · issued Apr 14, 2022
Technical service bulletin
communication type
Back Over Prevention
component
2021
model years
1
vehicle entries
Official summary
Vehicle Will Not Crank, Battery Drained OR Vehicle Alarm Sounds For No Obvious Reason. Published document indicates an incorrect 2021 CY.
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.