Code Definition

B1757 — Seat Driver Rear Down Circuit Failure

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

About B1757

B1757 is a manufacturer-specific body diagnostic trouble code recorded for Ford vehicles. It belongs to the B-prefix family of codes, which covers body, interior, airbag, or comfort-electronics faults.

When B1757 is stored, the module has detected an electrical-circuit fault in the wiring, connector, or driver associated with the named component.

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.

B1757 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 Driver Seat Module (DSM), or Body Control Module on simpler systems, monitors the driver seat rear vertical down output, which lowers the rear of the driver seat cushion when the rear down direction is selected on the seat switch. DTC B1757 is set when the module detects a general electrical fault on this output drive, such as a current draw outside specification, an unexpected feedback voltage, or an output that does not respond correctly to the commanded state. The output drives one terminal of a reversible permanent magnet seat motor through a smart driver or H bridge, so a stalled moto...

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