DTC Detection Logic

WARNING: This page is about a different car, the 2020 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If DTC B210C is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description .
When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the DTC B210C may be detected.

DTC No.

Trouble diagnosis name

DTC detecting condition

Possible cause

B210C

STR CONT RLY OFF CIRC

When comparing the following items, IPDM E/R detects that starter control relay is stuck in the OFF position for 1 second or more.

Starter control relay signal (CAN) from BCM
Starter relay status signal (CAN) from BCM
Starter control relay and starter relay status signal (IPDM E/R input)
Starter control relay control signal (IPDM E/R output)
P/N position signal input

Harness or connectors
(CAN communication line is open or shorted.
IPDM E/R
BCM