U2001-87-Message CTRL_Amp From Entertainment TELEMATIC Module - Missing Message

NOTE:

The Scan Tool may display the description name of this Diagnostic Trouble Code differently with the following below:

U2001-87-LOST COMMUNICATION WITH ETM CAN MESSAGE CTRL AMP MISSING FROM ENTERTAINMENT TELEMATIC MODULE - MISSING MESSAGE

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 .