P1643

Set by the manufacturer, so it means different things on different makes. 16 makes in the table below.

More codes than this one? Paste your whole scan

What P1643 means, by make 16 makes

Audi Please error memory of the electron. Reading PA 1643 05699
Chevrolet Engine Speed Output Circuit
Chrysler Viscous Cabin Heater
Citroen Fuel Pump Monitor Circuit Low Input
Dodge Viscous Cabin Heater
Ford Fuel Pump Monitor Circuit Low Input
Honda QBATT Battery Signal Circuit High Input
Jaguar CAN Link Engine Control Module/Transmission Control Module Circuit/Network
Jeep Viscous Cabin Heater
Kia CAN Link Engine Control Module/Transmission Control Module Circuit/Network
Lincoln Fuel Pump Monitor Circuit Low Input
Mercedes-Benz ECU incorrectly coded - or - CAN from transmission
Mercury Fuel Pump Monitor Circuit Low Input
Peugeot Fuel Pump Monitor Circuit Low Input
Volkswagen Please error memory of the electron. Reading PA 1643 05699
Volvo Please check DTC Memory of central electric ECU

Each line is that manufacturer's own meaning for P1643. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1643

Powertrain

engine, transmission and emissions

Manufacturer-specific

Defined by the vehicle manufacturer, so the meaning varies between makes.

Fault index

identifies the specific fault

Powertrain Manufacturer-specific

Nearby codes in the P1 range

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.