P1643

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

Fiat
Collegamento linea CAN tra centralina controllo motore e centralina controllo cambio
Buick Cadillac Chevrolet GM GMC Oldsmobile Saturn
Engine Speed Output Circuit
Ford Lincoln Mercury
Fuel Pump Monitor Circuit Low Input
Jaguar
CAN Link Engine Control Module Transmission Control Module Circuit Network
Volkswagen
Check DTC Memory Of Central ECU