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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 RANGES1-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.