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P1155

Alternative Fuel Controller

P1155 is described as “Alternative Fuel Controller” in the Generic OBD2 reference. Other reference families are shown below; select the scope relevant to your vehicle.

Manufacturer reference family

BMW: P1155

en

O2 Sensor Heater Circuit Intermittant (Bank 2 Sensor 2); O2 Sensor Heater Circuit Signal Intermittent (Bank 2 Sensor 2)

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

Chrysler: P1155

en

Alternative Fuel Controller

tr

Alternatif Yakıt Kontrolörü

Reference namespace
chrysler
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: Chrysler.

5 profiles assigned this reference family
Manufacturer reference family

Dodge / Fiat: P1155

en

Preheating resistance 2 above catal.

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: P1155

en

Alternative Fuel Controller Has Activated the MIL; Alternative Fuel Controller

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: P1155

en

HO2S Lean Average Bank 2 Sensor 1 - Read Our Article On Oxygen Sensor Codes For Help With These GM Trouble Codes; Heated Oxygen Sensor (HO2S) Lean Mean Bank 2 Sensor 1

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

Genesis / Hyundai / Kia: P1155

en

Limp Home Valve- Malfunction; ETS Limp Home Valve

Reference namespace
hyundai-kia
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: Kia, Genesis, Hyundai.

401 profiles assigned this reference family

377 more related profiles are listed in the vehicle directory.

Manufacturer reference family

Lincoln: P1155

en

Alternative Fuel Controller

Reference namespace
lincoln
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

Mercury: P1155

en

Alternative Fuel Controller

Reference namespace
mercury
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

Dodge / Mitsubishi: P1155

en

Alternative Fuel Controller

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: P1155

en

Alternative Fuel Controller

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: P1155

en

Alternative Fuel Controller

Reference namespace
obd2
Source revision
legacy-2.2.20

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

Manufacturer reference family

Oldsmobile: P1155

en

Alternative Fuel Controller

Reference namespace
oldsmobile
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

Belgee / Geely / Proton: P1155

en

Alternative Fuel Controller

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

Chevrolet / Citroen / General Motors / Opel / Peugeot: P1155

en

Alternative fuel controller

Reference namespace
stellantis-psa
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: Chevrolet, Opel, Citroen, General Motors, Peugeot.

35 profiles assigned this reference family

11 more related profiles are listed in the vehicle directory.

Manufacturer reference family

Subaru: P1155

en

O2 SENSOR CIRCUIT RANGE/PERFORMANCE (HIGH) (BANK 2 SENSOR 1)

Reference namespace
subaru
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: Subaru.

5 profiles assigned this reference family
Manufacturer reference family

GAC / Lexus / Toyota: P1155

en

A. / F Sensor Heater 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: P1155

de

HO2S Lean Mean Bank 2 Sensor 1; Manifold Abs. Pressure Sensor Circ. Short to B +

en

HO2S Lean Mean Bank 2 Sensor 1; Manifold Abs. Pressure Sensor Circ. Short to B +

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.

Manufacturer reference family

Polestar / Volvo: P1155

en

Manifold Abs. Pressure Sensor Circ. Short to B +

Reference namespace
volvo
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: Polestar, Volvo.

12 profiles assigned this reference family

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