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TSB Document:

Affected 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.

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Date Published
NOV 07, 2023
NHTSA TSB #
10248923
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