Test S: DTC B2439 - Passengers Seat Belt Buckle Switch Resistance out of Range

PINPOINT TEST S: DTC B2439 - PASSENGERS SEAT BELT BUCKLE SWITCH RESISTANCE OUT OF RANGE

S1-S2:

S3-S5:

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 diagnostic trouble code (DTC) B2439 in memory and send a message to the instrument cluster module to illuminate the air bag warning indicator.

Possible Causes
A passenger safety belt buckle switch current out of range fault can be caused by:
- damaged wiring, terminals or connectors.
- a faulty passenger safety belt buckle switch.
- RCM is faulted.