DTC P1697 Immobilizer-Tool Message Error: General Description

In immobilizer system, scantool is mainly used for diagnosis, besides this, registration of key and neutralization of SMARTRA and PCM/ECM is executed by scantool. For PCM/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 PCM/ECM is unavailable while communication between PCM/ECM and SMARTRA is in progress.