P1623

Set by the manufacturer, so it means different things on different makes. 17 makes in the table below.

More codes than this one? Paste your whole scan

What P1623 means, by make 17 makes

Audi Data Bus Powertrain, No Communication
BMW Pedal Position Sensor Potentiometer Supply
Chevrolet Transmission Temp Pull-Up Resistor
Chrysler ASD Relay/Control De-Energize Too Soon
Citroen Immobilizer Code Word/ID Number Write Failure
Dodge ASD Relay/Control De-Energize Too Soon
Ford Immobilizer Code Word/ID Number Write Failure
Hyundai Diagnostic Lamp Power Stage Fault
Jeep ASD Relay/Control De-Energize Too Soon
Land Rover ECM Security Code Fault
Mazda lmmobilizer System Fault
Mercedes-Benz Immobilizer Code Word/ID Number Write Failure
Peugeot Immobilizer Code Word/ID Number Write Failure
Saab No Bus Data From TCM. See Fual Tracing 3:5 Bus and Diagnostic Communication.
Saturn Transaxle Temperature Sensor Pull-Up Resistor Fault
Volkswagen Data Bus Powertrain, No Communication
Volvo Data Bus Powertrain No Communication

Each line is that manufacturer's own meaning for P1623. 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 P1623

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.