B1991

Manufacturer-specific fault code

This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:

Code breakdown

B — System

Body (interior, comfort, safety systems)

1 — Type

Manufacturer-specific

9 — Subsystem

Transmission / SAE reserved

Fiat
Circuito segnale di ritorno potenziometro spostamento avanti/indietro pedale cortocircuito verso positivo