U0104 Lost Communication With Cruise Control Module
WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For additional information about the Adaptive Cruise Control and Speed Control systems. Refer to SPEED CONTROL SYSTEMS - DESCRIPTION AND OPERATION .
The COMMUNICATION DIAGNOSTIC PROCEDURE MUST be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to: COMMUNICATION DIAGNOSTIC PROCEDURE .