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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Security Control System) >> DTC/Circuit Diagnosis >> DTC P1614: Chain Of IMMU-Key >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

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