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TuningBot DTC Database · v4.37.15

P1406 Hyundai - Exhaust Gas Temperature not Plausible between Calculated and Simulated

Manufacturer-specific interpretation for Hyundai. All interpretations of P1406

P · PowertrainEmissionsOBD2

What P1406 means

P1406
Exhaust Gas Temperature not Plausible between Calculated and Simulated Hyundai · emissions Data confidence 62%

The control module detected a fault associated with the Exhaust Gas Temperature not Plausible between Calculated and Simulated 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.

Related and nearby codes

How to read P1406

P

Powertrain: engine, transmission and driveline systems.

1

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

406

Specific fault index within the subsystem.

Frequently asked questions about P1406

What does P1406 mean?

Exhaust Gas Temperature not Plausible between Calculated and Simulated. The control module detected a fault associated with the Exhaust Gas Temperature not Plausible between Calculated and Simulated 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.

Is P1406 generic or manufacturer-specific?

P1406 is a manufacturer-specific code. In this database it is documented for: Hyundai. The same number can mean something different on other brands.

Can TuningBot remove P1406 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 Hyundai engines See the results →

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