EGR "A" Control Temperature Too High
Ford · emissions
Data confidence94%
Ford documents P0403:1D for its 2024-2025 gasoline-engine OBD monitor strategy as egr "a" control temperature too high. 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
P0403:72
EGR "A" Control Stuck Open
Ford · emissions
Data confidence94%
Ford documents P0403:72 (actuator stuck open) for its 2024-2025 gasoline-engine OBD monitor strategy as egr "a" control stuck open. 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
P0403:73
EGR "A" Control Stuck Closed
Ford · emissions
Data confidence94%
Ford documents P0403:73 for its 2024-2025 gasoline-engine OBD monitor strategy as egr "a" control stuck closed. 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
P0403:92
EGR “A” Control Stuck
Ford · emissions
Data confidence94%
Ford documents P0403:92 for its 2024-2025 gasoline-engine OBD monitor strategy as egr “a” control stuck. 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.
0
Generic SAE-standard code: same meaning on every make.
403
Specific fault index within the subsystem.
Frequently asked questions about P0403
What does P0403 mean?
Diagnostic Trouble Code (4 variants). The control module detected improper operation of the Exhaust Gas Recirculation circuit.
Is P0403 generic or manufacturer-specific?
P0403 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.
Can TuningBot remove P0403 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