EGR Cooler Efficiency Below Threshold
Ford · emissions
Data confidence94%
Ford documents P2457:00 (no sub type information) for its 2024-2025 gasoline-engine OBD monitor strategy as egr cooler efficiency below threshold. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.
Recommended checks
Perform a full module scan
Review freeze-frame and occurrence data
Compare commanded and measured values
Check applicable OEM service information
Applies toFord gasoline-engine OBD applications|2024-2025 model years
Powertrain: engine, transmission and driveline systems.
2
Generic SAE-standard code: same meaning on every make.
457
Specific fault index within the subsystem.
Frequently asked questions about P2457
What does P2457 mean?
EGR Cooler Efficiency Below Threshold. Ford documents P2457:00 (no sub type information) for its 2024-2025 gasoline-engine OBD monitor strategy as egr cooler efficiency below threshold. This three-byte interpretation is application-specific and identifies the detected monitor condition rather than a confirmed failed component.
Is P2457 generic or manufacturer-specific?
P2457 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
Can TuningBot remove P2457 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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Ford