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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 200 (Power Control System (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2099: Ignition Relay Off Stuck >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

DTC No.

CONSULT screen terms (Trouble diagnosis content)

DTC Detection Condition

B2099

IGN RELAY OFF

(Ignition relay OFF circuit)

Diagnosis condition

When ignition switch is ON.

Signal (terminal)

-

Threshold

-

Diagnosis delay time

1 second or more

NOTE: When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the "DTC: B2099" may be detected.