Code Definition

B1665 — Seat Driver Forward/Backward Motor Stalled

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

About B1665

B1665 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.

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.

B1665 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 B1665 code is set by the Driver Seat Module (DSM) when it detects that the forward/backward (slide) motor of the driver power seat has stalled while a movement command is active. The slide motor drives a horizontal lead screw that moves the entire seat fore and aft along the floor rails. The DSM monitors motor current and run time, and stores this DTC when the motor draws excessive current without producing motion or fails to complete the commanded travel within a calibrated time. When this code is active, the seat may not slide forward or backward, may travel only partway, or may bind aud...

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