P1089

Set by the manufacturer, so it means different things on different makes. 4 makes in the table below.

More codes than this one? Paste your whole scan

What P1089 means, by make 4 makes

Audi Bank2, Mixture Adaptation Range 1 lean limit sub-steps 4459 17497
BMW O2 Sensor Circuit Slow Response in Lean Control Range (Bank 1 Sensor 2)
Subaru Tumble generator valve #1 (RH) malfunction (stuck close)
Volkswagen Bank2, Mixture Adaptation Range 1 lean limit sub-steps 4459 17497

Each line is that manufacturer's own meaning for P1089. 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 P1089

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.