Code Definition

B1463 — Seat Belt Switch Circuit Open

System: Body  |  Type: Manufacturer-Specific  |  Make: Generic

About B1463

B1463 is a manufacturer-specific body diagnostic trouble code. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1463 is stored, the module has detected an open (broken or disconnected) electrical path in the monitored circuit.

Scanning & clearing: Body (B) codes are often stored in the body control module, airbag module, or climate module. A basic OBD-II tool usually will not read body codes — an enhanced or OEM-level scan tool is typically required.

B1463 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The Body Control Module (BCM) monitors the seat belt switch circuit for an expected voltage or resistance value that changes when the buckle is fastened. DTC B1463 is set when the BCM detects an open circuit on the signal wire between the seat belt switch and the module. The seat belt switch is a normally open or normally closed contact in the buckle assembly that completes the circuit when the latch plate is engaged, allowing the BCM to determine occupant restraint state. When this code is set, the seat belt warning lamp may stay illuminated continuously, the chime may operate without regard ...

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