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U1123 on the 2022 Jeep Wagoneer

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name U1123
08152222023-01-09. Service bulletin. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDiagnostic Trouble Codes (DTCs) may have set without a Malfunction Indicator Lamp (MIL): U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module.
0815222REVA2022-12-12. Service bulletin. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDiagnostic Trouble Codes (DTCs) may have set without a Malfunction Indicator Lamp (MIL): U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module.
08152222022-10-31. Service bulletin. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDiagnostic Trouble Codes (DTCs) may have set without a Malfunction Indicator Lamp (MIL): U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module.
08152222022-10-31. Service bulletin. Flash: Body Control Module (BCM) Updates This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. Customer may describe various LIN related functions (steering wheel, center stack, terrain or 4WD) switches and/or certain interior lamps not working. Upon further inspection the technician may also observe the followingDiagnostic Trouble Codes (DTCs) may have set without a Malfunction Indicator Lamp (MIL): U1223-00 - Lost Communication with Wireless Charging Pad Module. U121E-00 - Lost Communication With Steering Wheel Cruise Control Switch. U1207-00 - Lost Communication With Terrain Switch Bank Module. U1191-00 - Lost Communication with Switch Bank Module 2. U1153-00 - Lost Communication With Windshield Wiper Smart Module. U114F-00 - Lost Communication with LIN Overhead Console. U114D-87 - Lost Communication with Hands Free Liftgate Module-Missing Message. U113B-00 - Lost Communication With Switch Bank Module. U112D-00 - Lost Communication With EVIC Steering Wheel Switches. U1125-00 - Lost Communication With LIN ECU 5- (Ride Height Switch Module). U1123-00 - Lost Communication With LIN ECU 3- (Switch Bank Module Rear Right). U1122-00 - Lost Communication With LIN ECU 2- (Switch Bank Module Rear Left). U1008-00 - LIN 1 Bus Steering Column Control Module Electrical Diagnostic. U0231-00 - Lost Communication With Rain Sensing Module.

4 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.