B1453

DTC B1453

Circuit Description

When the ignition switch is turned to ON, the sensing and diagnostic module (SDM) will perform turn-on test to diagnose critical malfunctions within SDM itself.

The SDM continuously receives vehicle speed signal from the cluster. If driver seat belt is unbelted, the SDM gives the such alerts as warning lamp and sound according to vehicle status.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B1453 VSS Incorrect

Conditions for Running the DTC

Ignition voltage is within the normal operating voltage range.

Conditions for Setting the DTC

The SDM can not receive vehicle speed signal from the cluster.

Action Taken When the DTC Sets

The SDM commands the AIR BAG indicator ON.

Conditions for Clearing the DTC

The condition responsible for setting the DTC no longer exists and the scan tool Clear DTCs function is used.