P1203

Set by the manufacturer, so it means different things on different makes. 12 makes in the table below.

More codes than this one? Paste your whole scan

What P1203 means, by make 12 makes

Acura Cylinder 3 Misfire
Audi Injector Zyl.3-N32 Electrical fault in circuit 1203 04611
Chevrolet (Alt. Fuel) Gas Mass Sensor Circuit High Frequency
Citroen Injector Circuit Open/Shorted - Cylinder #3
Ford Injector Circuit Open/Shorted - Cylinder #3
Jaguar Cylinder #3 Injector Circuit Open/Shorted
Kia Cylinder # 3 Injector Circuit Open/Shorted
Land Rover Injector 3 Open Circuit or Ground Short Fault
Peugeot Injector Circuit Open/Shorted - Cylinder #3
Saab Injector Cyl. 3 Control Module Output Short to B+
Volkswagen Injector Cyl. 3 Electrical Malfunction
Volvo Cyl.3 - Fuel Inj. Circ. Electrical Malfunction

Each line is that manufacturer's own meaning for P1203. 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 P1203

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.