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DTC P1616: Unregistered Keyless Start Control Module: Troubleshooting

P1616: TROUBLESHOOTING CHART

Step Action YES NO
1  Was "Immobilizer Control System Check" performed?  Go to Step 2. Go to IMMOBILIZER CONTROL SYSTEM CHECK .
2  Registration of the ignition key 
  1. Register the ignition key with ECM referring to REGISTRATION OF THE IGNITION KEY .

Was registration of ignition key completed? 		 Recheck ECM for DTC. Go to Step 3.
3  DTC check 
  1. Check DTC referring to DTC CHECK .

Is DTC P1618 and/or P1615 detected other than P1616? 		 Go to DTC P1618 troubleshooting. Go to DTC P1615 troubleshooting.
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