Code Definition

B1726 — Seat Driver Rear Up Switch Circuit Open

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

About B1726

B1726 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 B1726 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.

B1726 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) or memory seat module monitors the driver seat rear up switch circuit, which is part of the power seat height adjustment system. DTC B1726 is set when the module detects an open circuit on the rear up switch input, meaning the signal wire shows no continuity to the switch or to its return path. The rear up switch is a momentary contact device used to command the rear height motor to raise the back portion of the seat cushion. When this code is set, the rear of the driver's seat will not raise when the switch is pressed, and the module continues to flag the input a...

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