Test O: LFC 52 DTC B2439 - Passengers Seat Belt Buckle Switch Resistance Out of Range

PINPOINT TEST O: LFC 52 DTC B2439 - PASSENGERS SEAT BELT BUCKLE SWITCH RESISTANCE OUT OF RANGE

Normal Operation
The restraints control module (RCM) monitors the passenger safety belt buckle switch circuits for faults. If the RCM detects a current out of range fault, it will store DTC B2439 in memory and send a message to the instrument cluster module to flash a LFC 52 (or higher priority code if one exists) on the air bag warning indicator.

NOTE: When monitoring fault and/or resistance PIDs with the scan tool, it may take up to 2 seconds for the scan tool display to update.

- DTC B2439 Passengers Seat Belt Buckle Switch Resistance Out of Range - If the RCM detects a current out of range between buckled and unbuckled on the passenger safety belt buckle switch, it will set this DTC.

This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- Passenger safety belt buckle assembly
- RCM

O1:

O2-O4:

O5: