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Possible Causes

WARNING: This page is about a different car, the 2021 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
STEP MOTOR CONTROL A CIRCUIT SHORTED TO GROUND
STEP MOTOR CONTROL B CIRCUIT SHORTED TO GROUND
STEP MOTOR CONTROL A CIRCUIT SHORTED TO STEP MOTOR CONTROL B CIRCUIT
TRANSFER CASE SHIFT MOTOR/MODE SENSOR ASSEMBLY
DRIVETRAIN CONTROL MODULE (DTCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .