DTC P1614: Transponder Response Error: Troubleshooting

WARNING: This page is about a different car, the 2011 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.

P1614: TROUBLESHOOTING CHART

Step	Action	YES	NO
1	Was "Immobilizer Control System Check" performed?	Go to Step 2.	Go to IMMOBILIZER CONTROL SYSTEM CHECK .
2	DTC check Check if any DTC other than P1614 is detected referring to DTC CHECK . Is DTC other than P1614 detected?	Go to applicable DTC troubleshooting.	Go to Step 3.
3	Registration of ignition key in use with ECM Register ignition key in use with ECM referring to REGISTRATION OF THE IGNITION KEY . Was registration of ignition key completed?	Recheck DTC.	Go to Step 4.
4	Registration of the spare ignition key Register the spare ignition key with ECM referring to REGISTRATION OF THE IGNITION KEY . Was registration of spare ignition key completed?	Replace ignition key which can not be registered.	Substitute a known-good ECM and recheck.