P1663
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
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
6 — Subsystem
Computer output circuit
Manufacturer-specific meanings
- Circuito di uscita segnale comando richiesta carburante
- Oil Life Lamp Control Circuit
- Fuel Demand Command Signal Circuit Malfunction
- OCV Circuit Malfunction Bank 2