DTC P1616: Unregistered Keyless Start Control Module (For Vehicle With Keyless Start System): Troubleshooting

TROUBLESHOOTING CHART

Step	Action	YES	NO
1	Diagnostic Trouble Code (DTC) confirmation Clear DTC(s) referring to DIAGNOSTIC TROUBLE CODE (DTC) CLEARANCE . Turn the ignition switch to OFF position. Check if any DTC is detected referring to DIAGNOSTIC TROUBLE CODE (DTC) TABLE . Is DTC P1616 still detected?	Go to Step 2.	The troubleshooting is completed.
2	Registration of the ignition key Clear DTC referring to DIAGNOSTIC TROUBLE CODE (DTC) CLEARANCE . Register the transponder code in the transponder in the ignition key with ECM referring to REGISTRATION OF THE IGNITION KEY . Was it possible to register the ignition key (transponder code) in ECM?	Go to Step 3.	Go to Step 4.
3	Keyless start system operation check Start engine using keyless start system. Does engine start?	The troubleshooting is completed.	Check if any DTC is detected by ECM. If detected, perform the troubleshooting. Refer to appropriate DTC diagnostics.
4	Diagnostic Trouble Code (DTC) check Check ECM for DTC referring to DIAGNOSTIC TROUBLE CODE (DTC) CHECK . Are DTC P1618 and/or P1615 detected other than P1616?	Go to DTC P1618 troubleshooting.	Go to DTC P1615 troubleshooting.