Powertrain: engine, transmission and driveline systems.
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Generic SAE-standard code: same meaning on every make.
4EC
Specific fault index within the subsystem.
Frequently asked questions about P04EC
What does P04EC mean?
EVAP System Large Leak Detected - Fuel Tank Side. The control module detected a leak in the EVAP System Large during the system leak monitor.
Is P04EC generic or manufacturer-specific?
P04EC is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P04EC 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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