Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air leak
VAG · emissions
Data confidence62%
The control module detected a condition consistent with a leak affecting the Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air. This is the manufacturer-specific definition used by Audi.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
101
Specific fault index within the subsystem.
Frequently asked questions about P1101
What does P1101 mean?
Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air leak. The control module detected a condition consistent with a leak affecting the Heated oxygen sensor (HO2S) 1, Bank 1 - low voltage/air. This is the manufacturer-specific definition used by Audi.
Is P1101 generic or manufacturer-specific?
P1101 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
Can TuningBot remove P1101 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.