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P24E4
NH3 Sensor Circuit High
Generic · engine
Data confidence
65%
The control module detected that the signal in the NH3 circuit stayed above the expected operating range.
TuningBot DTC Database · v4.37.14
P24E4 NH3 Sensor Circuit High
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P24E4 means
Related and nearby codes
How to read P24E4
P
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
4E4
Specific fault index within the subsystem.
Frequently asked questions about P24E4
What does P24E4 mean?
NH3 Sensor Circuit High. The control module detected that the signal in the NH3 circuit stayed above the expected operating range.
Is P24E4 generic or manufacturer-specific?
P24E4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P24E4 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic