Test N: LFC 52 DTC B2438 - Passengers Seat Belt Buckle Switch Circuit Short to Ground

PINPOINT TEST N: LFC 52 DTC B2438 - PASSENGERS SEAT BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND

Normal Operation
The restraints control module (RCM) monitors the passenger safety belt buckle switch circuits for faults. If the RCM detects a short to ground fault, it will store DTC B2438 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 B2438 Passengers Seat Belt Buckle Switch Circuit Short to Ground - If the RCM detects a short to ground on the passenger safety belt buckle circuit for greater than 2.5 seconds, it will set this DTC.

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

N1:

N2-N3:

N4-N6: