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November 7, 2023 Service bulletin

Transfer Case Shift Motor Wire Harness Connector Not Secured Customers may experience a Malfunction...

Jeep technical service bulletin 0823923 for 2023 Jeep Wagoneer and 2023 Jeep Grand Wagoneer.

Bulletin number
0823923
Component
Power train
Summary
Transfer Case Shift Motor Wire Harness Connector Not Secured Customers may experience a Malfunction Indicator Lamp illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes have been set: U0418-00 Implausible Data Received From Brake System Control Module 1. C1444-98 T-Case Motor Overuse-Component or System Over Temperature. C00A8-13 4WD/AWD Transfer Case Unit Actuator Position Sensor B-Circuit Open. C00A7-13 4WD/AWD Transfer Case Unit Actuator Position Sensor A-Circuit Open. C149E-64 Transfer Case Motor Position Sensor-Signal Plausibility Failure. C1423-64 Transfer Case Internal Performance-Signal Plausibility Failure. C1406-13 Transfer Case Brake Control-Circuit Open. C1477-4B Transfer Case Clutch-Over Temperature. C140A-13 Transfer Case Motor Control-Circuit Open. U041E-00 Invalid Data Received From All Wheel Drive Control Module. U0422-00 Implausible Data Received From Body Control Module. U0418-00 Implausible Data Received From Brake System Control Module 1. U041E-00 Invalid Data Received Form All Wheel Drive Control Module. U0403-00 Implausible Data Received From T-Case. The customer may also comment on the following: 4WD Service light displayed in the Instrument Panel Cluster. This bulletin involves performing a push?pull?push test on the transfer case shift motor wire harness connector.

Owners of these vehicles have filed 24 complaints in the transmission category.

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