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TuningBot DTC Database · v4.37.15

P1190 VAG - Diagnostic Trouble Code (2 interpretations)

Manufacturer-specific interpretation for VAG. All interpretations of P1190

P · PowertrainEmissionsOBD2

What P1190 means

P1190
Heated oxygen sensor (HO2S) 1, Bank 1, reference voltage - range/performance problem VAG · emissions Data confidence 62%

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 to Audi
P1190
Heated oxygen sensor (HO2S) reference voltage - range/performance problem VAG · emissions Data confidence 80%

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.

Possible causes

  • Wiring
  • HO2S
  • HT leads
  • spark plugs
  • misfire detection
Applies to Volkswagen

Related and nearby codes

How to read P1190

P

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.

Other file services

ECU tuningStage 1 dyno results for VAG engines See the results →

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