DTC P1697 Hi-Scan Message Error: General Description

In immobilizer system, scantool is mainly used for diagnosis, besides this, registration of key and neutralization of ECM is executed by scantool. For ECM communicate with other components such as SMARTRA and scantool by changing type of communication through just one line, K-line communication between scantool and ECM is unavalible while communication between ECM and SMARTRA is in progress.