# C1403 on the 2023 Jeep Cherokee

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.

## Bulletins for this model year that name C1403

- [10239927](https://open.wenmarpro.com/bulletins/10239927), 2023-07-31: Flash: Drivetrain Control Module \(DTCM\) Updates Customers may experience a Malfunction Indicator Lamp \(MIL\) or warning lamp illumination. Upon further investigation the technician may find that the multiple Diagnostic Trouble Codes \(DTCs\) have been set: ? C1403\-29 \- Transfer Case Range Position Sensor\-Signal Invalid. ? C14AA\-62 \- Transfer Case Motor Position Sensor Supply\-Signal Compare Failure. This bulletin involves reprogramming the DTCM with the latest software available.
