Test T: DTC B2438 - Passengers Seat Belt Buckle Switch Circuit Short To Ground

PINPOINT TEST T: DTC B2438 - PASSENGERS SEAT BELT BUCKLE SWITCH CIRCUIT SHORT TO GROUND

Lamp Fault Codes (LFCs)
The following LFC indicate the specific fault associated with DTC B2438:







Normal Operation
As part of the supplemental restraint system (SRS), the safety belt buckles are equipped with Hall-effect switches. The safety belt switches indicate to the restraints control module (RCM) whether the safety belts are connected or disconnected.

The RCM checks 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, flash LFC 7-2 on the air bag warning indicator.

- DTC B2438 Passengers Seat Belt Buckle Switch Short to Ground - If the RCM detects a short to ground on the passenger safety belt buckle circuit, it will set this DTC.

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

T1-T2:

T2-T4:

T5-T6: