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P0100

Mass air flow (MAF) sensor/volume air flow (VAF) sensor - circuit malfunction

P0100 is described as “Mass air flow (MAF) sensor/volume air flow (VAF) sensor - circuit malfunction” in the Generic OBD2 reference. Other reference families are shown below; select the scope relevant to your vehicle.

Manufacturer reference family

BMW: P0100

en

Mass or Volume Air Flow Circuit

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: P0100

en

Diagnosis electrical signal flow meter,

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: P0100

en

Mass Air Flow Circuit Malfunction

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

ISUZU: P0100

en

Air flow sensor volume signal out of range

Reference namespace
isuzu
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: ISUZU.

1 profiles assigned this reference family
Manufacturer reference family

Dodge / Mitsubishi: P0100

en

Mass or Volume Air flow Circuit Malfunction; AFS

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: P0100

en

Mass or Volume Air flow Circuit Malfunction

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: P0100

en

Mass air flow (MAF) sensor/volume air flow (VAF) sensor - circuit malfunction

ru

Неисправность в цепи расходомера воздуха

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: P0100

en

Mass or Volume Air flow Circuit Malfunction

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: P0100

ru

Цепь датчика массового расхода воздуха вне диапазона / рабочих характеристик B-020; Цепь датчика массового расхода воздуха вне диапазона / рабочих характеристик B-032; Цепь датчика массового расхода воздуха вне диапазона / рабочих характеристик B-031

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: P0100

en

Mass or Volume Air Flow Meter Circuit Malfunction

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: P0100

de

MAF Sensor Ckt. Insufficient Activity

en

MAF Sensor Ckt. Insufficient Activity

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