U0100-00-Engine Control Module -ECM-Pcm- Can Signal - Missing Message
WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.
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 .
NOTE:
When performing the COMMUNICATION DIAGNOSTIC PROCEDURE, note that MISSING MESSAGE DTCs are similar to LOST COMMUNICATION DTCs.