Jeep Grand Cherokee 2021–2022 — technical service bulletin
Bulletin 2103122 · NHTSA communication 10227751 · issued Oct 20, 2022
Technical service bulletin
communication type
Power Train
component
2021–2022
model years
2
vehicle entries
Official summary
Transfer Case Replacement This bulletin involves replacing the transfer case assembly for Diagnostic Trouble Code (DTC) C14A1-74. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find the following DTC has been set: C14A1-74 - Unintended Actuator Shaft Movement Detected-Actuator Slipping.
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.