P1594

Set by the manufacturer, so it means different things on different makes. 9 makes in the table below.

More codes than this one? Paste your whole scan

What P1594 means, by make 9 makes

Audi Sensor for oil temperature, variable valve timing-G277 short to Plus 4652 18002
BMW B Camshaft Position Actuator Control Open Circuit Bank 2
Chrysler Charging System Voltage Too High
Dodge Charging system voltage too high
Ford FORCED ENGINE SHUTDOWN - REMOTE START SYSTEM FAULT, NO UNATTENDED VEHICLE TIMEOUT
Jeep Charging system voltage too high
Porsche Intake Manifold Length Tuning 2
Subaru Automatic transmission diagnosis input signal circuit high input
Volkswagen Sensor for oil temperature, variable valve timing-G277 short to Plus 4652 18002

Each line is that manufacturer's own meaning for P1594. 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 P1594

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.