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U1964-83-Message Counter/CRC Fault In Engine4 (Message From Engine Control Module) - Value Of Signal Protection Calculation Incorrect

The COMMUNICATION DIAGNOSTIC PROCEDURE MUST  be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to STANDARD PROCEDURE .

NOTE:

Treat this DTC as a MISSING MESSAGE  DTC when performing the COMMUNICATION DIAGNOSTIC PROCEDURE.

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