Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
4D1
Specific fault index within the subsystem.
Frequently asked questions about P04D1
What does P04D1 mean?
EGR Temperature Sensor C Circuit High. The control module detected that the signal in the EGR Temperature Sensor C circuit stayed above the expected operating range.
Is P04D1 generic or manufacturer-specific?
P04D1 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04D1 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.
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