P1645

Set by the manufacturer, so it means different things on different makes. 14 makes in the table below.

More codes than this one? Paste your whole scan

What P1645 means, by make 14 makes

Audi Missing data bus message of all-wheel electronics 1645 05701
Chevrolet Evaporative Emission (EVAP) Vent Solenoid Contorl Circuit
Chrysler Wait to Start Lamp (glow plug display)
Citroen Fuel Pump Resistor Switch Circuit Malfunction
Dodge Wait to Start Lamp (glow plug display)
Ford Fuel Pump Resistor Switch Circuit Malfunction
Honda MOTFSB Signal Malfunction
Jeep Wait to Start Lamp (glow plug display)
Lexus Body ECU Malfunction
Mercedes-Benz Fuel Pump Resistor Switch Circuit
Peugeot Fuel Pump Resistor Switch Circuit Malfunction
Toyota Body ECU Malfunction
Volkswagen Missing data bus message of all-wheel electronics 1645 05701
Volvo Data Bus Powertrain missing message f. all wheel drive contr.

Each line is that manufacturer's own meaning for P1645. 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 P1645

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.