FixVault

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1614 CHAIN OF IMMU-KEY Inactive communication between NATS antenna amp. and BCM
  • Harness or connectors (NATS antenna amp. circuit is open or shorted.)
  • NATS antenna amp.
  • IPDM E/R