Code Definition

B1959 — Seat Recline Forward/Backward Potentiometer Feedback Circuit Open

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

About B1959

B1959 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 B1959 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.

B1959 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 B1959 code is set when the Driver Seat Module (DSM) or seat memory module detects an open circuit condition in the recline forward/backward potentiometer feedback path. The potentiometer is mounted at the recline pivot of the seat and reports the angular position of the seatback to the module for memory recall and soft stop control. An open in the supply, signal, or ground leg of the potentiometer leaves the module without a usable position reference for the recline axis and is logged as B1959. With this code active, recline memory recall is disabled and the seat may default to manual swit...

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