U1964-83-Message Counter-CRC Fault On Engine4 Message - Value Of Signal Protection Calculation Incorrect
WARNING: This page is about a different car, the 2015 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Perform the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE. Refer to STANDARD PROCEDURE .
NOTE:
Treat this DTC as a IMPLAUSIBLE SIGNAL DTC when performing the COMMUNICATION PRE-DIAGNOSTIC PROCEDURE.
NOTE:
This DTC indicates that the PCM is not sending the required information over the CAN bus. Therefore, the PCM is considered to be the "offending module". The "offending module" will be referred to in the COMMUNICATION PRE-DIAGNOSTIC procedure.