B1951 — Seat Rear Up/Down Potentiometer Feedback Circuit Open
What it means
B1951 is an OBD-II diagnostic trouble code: Seat Rear Up/Down Potentiometer Feedback Circuit Open.
Typical fix
Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.