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P1121

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

P1121 is described as “Throttle Position (TP) Sensor Circuit Intermittent High Voltage” in the Generic OBD2 reference. Other reference families are shown below; select the scope relevant to your vehicle.

Manufacturer reference family

BMW: P1121

en

Pedal Position 1 Range/Performance Problem; Pedal Position Sensor 1 Range/Performance Problem

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: P1121

en

Pedal Position Sensor A Circuit Range / Performance; Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

tr

Pedal Pozisyon Sensörü A Devre Aralığı / Performansı; Kütle Hava Akış Sensörü ile tutarsız Gaz Kelebeği Konum Sensörü

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: P1121

en

Throttle position potentiometer 1 [signal implausible]; Throttle potentiometer track 1; Throttle position potentiometer 1 [signal implausible]

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: P1121

en

TP Sensor Inconsistent With MAF Sensor; Throttle Position (TP) Sensor Circuit Intermittent High Voltage

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: P1121

en

TP Sensor Circuit Intermittent High Voltage - Read Our Article on Automotive Circuit Testing For Help With This GM Check Engine Light Code; Throttle Position (TP) Sensor Circuit Intermittent High Voltage

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: P1121

en

Throttle Position (TP) Sensor Lower Than Expected

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

Genesis / Hyundai / Kia: P1121

en

Throttle Position Input - Abnormal; Pedal Position Sensor A Circuit Range / Performance

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

Jaguar / Land Rover: P1121

en

Pedal Position Sensor A Circuit Range/Performance

Reference namespace
jaguar-land-rover
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: Land Rover, Jaguar.

42 profiles assigned this reference family

18 more related profiles are listed in the vehicle directory.

Manufacturer reference family

Lincoln: P1121

en

Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

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

Mazda: P1121

en

Throttle Position Sensor Signal Not Consistent With Mass Air Flow Signal; Throttle Position Sensor Signal Not Consistent with Mass Airflow Signal

Reference namespace
mazda
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: Mazda.

7 profiles assigned this reference family
Manufacturer reference family

Mercedes-Benz: P1121

en

Tp sensor signal not consistent with MAF signal

Reference namespace
mercedes-benz
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: Mercedes-Benz.

13 profiles assigned this reference family
Manufacturer reference family

Mercury: P1121

en

Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

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: P1121

en

Throttle Position (TP) Sensor Circuit Intermittent High Voltage; ETV motor relay

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: P1121

en

Throttle Position (TP) Sensor Circuit Intermittent High Voltage; Electronic Throttle Control Actuator

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: P1121

en

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

ru

Высокое напряжение в цепи датчика положения дроссельной заслонки (TP)

Reference namespace
obd2
Source revision
legacy-2.2.20

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

Manufacturer reference family

Oldsmobile: P1121

en

Throttle Position Sensor Inconsistent with Mass Air Flow Sensor

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

Porsche: P1121

en

Oxygen Sensor Heating

Reference namespace
porsche
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: Porsche.

1 profiles assigned this reference family
Manufacturer reference family

Belgee / Geely / Proton: P1121

en

Throttle Position (TP) Sensor Circuit Intermittent High Voltage

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: P1121

en

Throttle position sensor (TPS) circuit Intermittent high voltage

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: P1121

en

Neutral Position Switch Circuit Low Input AT Vehicles

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: P1121

en

Accelerator Pedal Position Sensor Range / Performance Problem

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: P1121

de

Throttle Position (TP) Sensor Circuit Intermittent High Voltage; O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground

en

Throttle Position (TP) Sensor Circuit Intermittent High Voltage; O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground

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: P1121

en

O2 Sensor Heater Circ.,Bank2 - Sensor2 Short to Ground

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