DTC 31: Transponder Code Not Registered
System Description
Immobilizer Control Module checks if Transponder code transmitted from ignition key and that registered in Immobilizer Control Module match when ignition switch is ON. If there is no Transponder code registered in Immobilizer Control Module, this DTC is set.
DTC Troubleshooting
Register ignition key with built-in transponder by using SUZUKI scan tool and performing following steps.
1) Register Transponder code in Immobilizer Control Module by performing procedure described in How to Register Ignition Key:M13A Model .
2) Turn ignition switch OFF, then turn it ON and check that DTC 31 is not set.