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TuningBot DTC Database · v4.37.15

P24E2 NH3 Sensor Circuit Range/Performance

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEngineOBD2

What P24E2 means

P24E2
NH3 Sensor Circuit Range/Performance Generic · engine Data confidence 65%

The control module judged the NH3 signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Related and nearby codes

How to read P24E2

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

4E2

Specific fault index within the subsystem.

Frequently asked questions about P24E2

What does P24E2 mean?

NH3 Sensor Circuit Range/Performance. The control module judged the NH3 signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.

Is P24E2 generic or manufacturer-specific?

P24E2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P24E2 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

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