B1991 — Pedal Forward / Rearward Potentiometer Feedback Circuit Short to Battery

What it means

B1991 is an OBD-II diagnostic trouble code: Pedal Forward / Rearward Potentiometer Feedback Circuit Short to Battery.

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.