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Service bulletins for the 2021 Jeep Grand Cherokee

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1325 on file from NHTSA, as of 2026-10-19.

About C1463 on the 2021 Jeep Grand Cherokee: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C1463 are shown. Show all

Bulletins, newest first
S25030000012025-02-12. Service bulletin. POWER TRAIN. "Service 4WD Message, Diagnostic Trouble Codes (DTCs) C1463-94 Front Axle Disconnect Control-Unexpected Operation, and/or C1463-92 Front Axle Disconnect-Performance or Incorrect Operation, Set."
91001912023-09-25. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 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.
08120212023-01-17. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
S21210000132023-01-17. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. Service 4WD Message, Diagnostic Trouble Code (DTC) C1463-94 ? Front Axle Disconnect Control ? Unexpected Operation, Set
S2121000013a2023-01-17. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. Service 4WD Message, Diagnostic Trouble Code (DTC) C1463-94 ? Front Axle Disconnect Control ? Unexpected Operation, Set
08120212022-09-26. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS; EXTERIOR LIGHTING. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
S21210000132022-09-26. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. Service 4WD Message, Diagnostic Trouble Code (DTC) C1463-94 ? Front Axle Disconnect Control ? Unexpected Operation, Set
S2121000013REVA2022-09-26. Service bulletin. SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE. Service 4WD Message, Diagnostic Trouble Code (DTC) C1463-94 ? Front Axle Disconnect Control ? Unexpected Operation, Set
0810322REVA2022-09-26. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: C1472-92 - Transfer Case Clutch Control-Performance Or Incorrect Operation(Sales Code DHY only). If any of these DTCs C1472-92, C149D-54 or C2206-56 are present(Sales Code DHY only), proceed toStep 4of the Repair Procedure. C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
08-120-212022-08-22. Service bulletin. POWER TRAIN. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
08-103-222022-06-27. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); EQUIPMENT; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find one or more of the the following DTCs have been set: C1472-92 - Transfer Case Clutch Control-Performance Or Incorrect Operation(Sales Code DHY only).If any of these DTCs C1472-92, C149D-54 or C2206-56 are present(Sales Code DHY only), proceed toStep 11of the Repair Procedure. C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.