U1970-83-Message Counter/CRC Fault In Mot TRANSM3 (From Engine Control Module) - Value Of Signal Protection Calculation Incorrect
WARNING: This page is about a different car, the 2016 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 .