Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin 9100191 · NHTSA communication 10242713 · issued Jul 19, 2023
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
SHAFT, Front Axle Output For concerns related to a C1463-94 OR C1472-92 DTC, reference the latest version of TSB 08-103-22 prior to replacing the Front Axle Disconnect (FAD) / Output Shaft. If DTCM software update does not resolve concern proceed with repair.
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.