EGR vacuum regulator (EVR) circuit failure
EGR Vacuum Regulator (EVR) circuit failure.
TCM communication fault
Error Code :84 Steering angle sensor signals are sent to the skid control ECU via the CAN communication system. When there is a malfunction in the CAN communication system, it is detected by the steering angle sensor zero point malfunction diagnostic function.
After analyzing,techincian believe that static wire resistance value is normal,but the temperature and shaking make great impact on wire line when vehicle engine running.The bad wire connection will be worse in the situation of changing of temperature and shaking.