DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble diagnosis for DTC U1000. Refer to "DTC LOGIC ".
If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble diagnosis for DTC U1010. Refer to "DTC LOGIC ".

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

P1612

CHAIN OF HCM-IMMU⁽¹⁾

Inactive communication between HPCM and BCM

Harness or connectors (The CAN communication line is open or shorted.)
BCM
HPCM

⁽¹⁾	"HCM" is indicated on CONSULT display, however this means HPCM on this model.