Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
3E4
Specific fault index within the subsystem.
Frequently asked questions about P23E4
What does P23E4 mean?
EGR C Control Circuit High. The control module detected that the signal in the EGR C Control circuit stayed above the expected operating range.
Is P23E4 generic or manufacturer-specific?
P23E4 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P23E4 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.
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