Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
4E9
Specific fault index within the subsystem.
Frequently asked questions about P04E9
What does P04E9 mean?
EGR Temperature Sensor D Circuit Intermittent/Erratic. The control module detected an unstable or intermittent signal in the EGR Temperature Sensor D circuit.
Is P04E9 generic or manufacturer-specific?
P04E9 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04E9 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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