OBD LensOBD Lens App
P0404

Exhaust gas recirculation (EGR) system - range/performance problem

P0404 is described as “Exhaust gas recirculation (EGR) system - range/performance problem” in the Generic OBD2 reference. Other reference families are shown below; select the scope relevant to your vehicle.

Manufacturer reference family

BMW: P0404

en

Exhaust Gas Recirculation Control Circuit Range/Performance

Reference namespace
bmw
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: BMW.

10 profiles assigned this reference family
Manufacturer reference family

Dodge / Fiat: P0404

en

EGR engine, Electrical fault

Reference namespace
fiat
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Fiat, Dodge.

27 profiles assigned this reference family

3 more related profiles are listed in the vehicle directory.

Manufacturer reference family

Ford: P0404

en

EGR Circuit Range/Performance

Reference namespace
ford
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Ford.

28 profiles assigned this reference family

4 more related profiles are listed in the vehicle directory.

Manufacturer reference family

GM: P0404

en

Exhaust Gas Recirculation (EGR) Control Circuit Low Voltage; Exhaust Gas Recirculation (EGR) Control Circuit High Current; Exhaust Gas Recirculation (EGR) Control Circuit Malfunction; Exhaust Gas Recirculation (EGR) Control Circuit Malfunction; Exhaust Gas Recirculation (EGR) Control Circuit Too Few Transitions; Exhaust Gas Recirculation (EGR) Control Circuit Too Many Transitions; Exhaust Gas Recirculation (EGR) Control Circuit Protection Time-Out; Exhaust Gas Recirculation (EGR) Control Circuit Not Plausible; Exhaust Gas Recirculation (EGR) Control Circuit Malfunction

Reference namespace
gm
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Manufacturer reference family

Acura / Honda: P0404

en

Exhaust Gas Recirculation (EGR) Control Circuit Range/Performance Problem

Reference namespace
honda
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Honda, Acura.

12 profiles assigned this reference family
Manufacturer reference family

Dodge / Mitsubishi: P0404

en

Exhaust Gas Recirculation Circuit Range/Performance; EGR control valve stuck

Reference namespace
mitsubishi
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Mitsubishi, Dodge.

31 profiles assigned this reference family

7 more related profiles are listed in the vehicle directory.

Manufacturer reference family

Infiniti / Nissan: P0404

en

Exhaust Gas Recirculation Circuit Range/Performance

Reference namespace
nissan
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Nissan, Infiniti.

62 profiles assigned this reference family

38 more related profiles are listed in the vehicle directory.

Generic OBD2

Generic OBD2: P0404

en

Exhaust gas recirculation (EGR) system - range/performance problem

ru

Неправильный показатель / не отрегулирован датчик системы рециркуляции выхлопных газов

Reference namespace
obd2
Source revision
legacy-2.2.20

Generic OBD2 definition; confirm the protocol and vehicle-specific service information.

Manufacturer reference family

Belgee / Geely / Proton: P0404

en

Exhaust Gas Recirculation Circuit Range/Performance

Reference namespace
proton
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Belgee, Geely, Proton.

5 profiles assigned this reference family
Manufacturer reference family

Dacia / Renault: P0404

ru

Цепь рециркуляции отработавшего газа вне диапазона/рабочих характеристик (открытый клапан) B-024; Клапан-регулятор давления отработавшего газа Неисправность C-028

Reference namespace
renault
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Dacia, Renault.

170 profiles assigned this reference family

146 more related profiles are listed in the vehicle directory.

Manufacturer reference family

GAC / Lexus / Toyota: P0404

en

Exhaust Gas Recirculation Range / Performance

Reference namespace
toyota
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: GAC, Toyota, Lexus.

24 profiles assigned this reference family
Manufacturer reference family

Audi / Jetta / MAN / Seat / Skoda / Volkswagen: P0404

de

Exhaust Gas Recirculation (EGR) Open Position Performance

en

Exhaust Gas Recirculation (EGR) Open Position Performance

Reference namespace
vag
Source revision
legacy-oem-dtc-r2-20260924

Reference family assigned by the production catalog. An entry in this family is not proof of a fault or ECU support on every listed vehicle.

Related catalog brands: Skoda, Volkswagen, Audi, Seat, MAN, Jetta.

56 profiles assigned this reference family

32 more related profiles are listed in the vehicle directory.

What should I check before using this definition?

Keep the full code, module, status and freeze-frame data. Confirm the vehicle’s make, model, year and current manufacturer service information before choosing a repair. This entry does not identify a failed part by itself.

Organize a scan report or recording
Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope