TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for VAG. All interpretations of P1104
The control module detected that the HO2S12 Sensor Circuit Voltage value was below the expected limit. This is the manufacturer-specific definition used by Audi.
The control module detected that the HO2S12 Sensor Circuit Voltage value was below the expected limit. This is the manufacturer-specific definition used by Volkswagen.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
HO2S12 Sensor Circuit Voltage Too Low Air Leak. The control module detected that the HO2S12 Sensor Circuit Voltage value was below the expected limit. This is the manufacturer-specific definition used by Audi.
P1104 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.
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.
Understand the system behind this code: Diagnostic Strategy and DTC Logic
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