Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
089
Specific fault index within the subsystem.
Frequently asked questions about P1089
What does P1089 mean?
O2 Sensor Circuit Slow Response in Lean Control Range Bank 1 Sensor 2. The control module detected that the O2 Sensor responded more slowly than expected. This is the manufacturer-specific definition used by BMW.
Is P1089 generic or manufacturer-specific?
P1089 is a manufacturer-specific code. In this database it is documented for: BMW. The same number can mean something different on other brands.
Can TuningBot remove P1089 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
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