LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> M37 Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Security Control System) >> DTC/Circuit Diagnosis >> DTC P1614: Chain Of IMMU-Key >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. 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