Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - range/performance problem
VAG · emissions
Data confidence62%
The control module judged the Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.
Possible causes
Wiring
HO2S
HT leads
spark plugs
misfire detection
Applies toAudi
P1190
Heated oxygen sensor (HO2S) reference voltage - range/performance problem
VAG · emissions
Data confidence80%
The control module judged the Heated oxygen sensor (HO2S) reference voltage behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
1
Manufacturer-defined range: the meaning can differ between brands.
190
Specific fault index within the subsystem.
Frequently asked questions about P1190
What does P1190 mean?
Diagnostic Trouble Code (2 interpretations). The control module judged the Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Audi.
Is P1190 generic or manufacturer-specific?
P1190 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 P1190 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.