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TuningBot DTC Database · v4.37.15

P1323 Diagnostic Trouble Code (5 interpretations)

5 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainEngineOBD2

Chevrolet

1 interpretation
P1323
IC 24X Reference Circuit Low Frequency Chevrolet · engine Data confidence 80%

The control module detected that the signal in the IC 24X Reference circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

Chrysler

1 interpretation
P1323
24X Reference Circuit Low Frequency Chrysler · engine Data confidence 62%

The control module detected that the signal in the 24X Reference circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chrysler.

Recommended checks

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

Hyundai

1 interpretation
P1323
IG.Coil.4 - High Output Hyundai · engine Data confidence 62%

The control module detected a fault associated with the IG.Coil.4 - High Output circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Hyundai.

VAG

2 interpretations
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?

Diagnostic Trouble Code (5 interpretations). The control module detected that the signal in the IC 24X Reference circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

Is P1323 generic or manufacturer-specific?

P1323 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Chrysler, Hyundai, 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 tuningDyno-tested results by model and engine See the results →

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