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TuningBot DTC Database · v4.37.15

P1323 VAG - Knock Sensor 4 Signal Too Low

Manufacturer-specific interpretation for VAG. All interpretations of P1323

P · PowertrainIgnitionOBD2

What P1323 means

P1323
Knock Sensor 4 Signal Too Low VAG · ignition Data confidence 62%

The control module detected that the Knock Sensor 4 value was below the expected limit. This is the manufacturer-specific definition used by Audi.

Possible causes

  • Wiring
  • KS
  • ECM
Applies to Audi
P1323
Knock Sensor 4 Signal Too Low VAG · ignition Data confidence 80%

The control module detected that the Knock Sensor 4 value was below the expected limit. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1323

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

323

Specific fault index within the subsystem.

Frequently asked questions about P1323

What does P1323 mean?

Knock Sensor 4 Signal Too Low. The control module detected that the Knock Sensor 4 value was below the expected limit. This is the manufacturer-specific definition used by Audi.

Is P1323 generic or manufacturer-specific?

P1323 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 P1323 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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