Normal Operation

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

As part of the Supplemental Restraint System (SRS), the safety belt buckles are equipped with Hall-effect switches. The safety belt buckle switches indicate to the Restraints Control Module (RCM) whether the safety belts are buckled or unbuckled. Refer to Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) .

The RCM checks the driver safety belt buckle switch circuits for faults. If the RCM detects a short to battery fault, it will store DTC B2433 in memory, flash LFC 7-9 on the air bag warning indicator.

DTC B2433 Drivers Seat Belt Buckle Switch Short to Battery - If the RCM detects a short to voltage on the driver safety belt buckle circuit, it will set this DTC.

This pinpoint test is intended to diagnose the following:

Wiring, terminals or connectors
RCM