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TuningBot DTC-Datenbank · v4.37.14

P1121 Diagnose-Fehlercode (17 Interpretationen)

17 herstellerspezifische Interpretationen bei 16 Herstellern in der TuningBot DTC-Datenbank.

Chevrolet

1 Interpretation
P1121
Throttle position (TP) sensor - voltage high, intermittent Chevrolet · engine Datenzuverlässigkeit 80%

The control module detected that the Throttle position (TP) voltage stayed above the expected range. This is the manufacturer-specific definition used by Chevrolet.

Mögliche Ursachen

  • Wiring open circuit/short to positive
  • poor connections

Chrysler

1 Interpretation
P1121
TP Sensor Circuit Intermittent High Voltage Chrysler · engine Datenzuverlässigkeit 62%

The control module detected an unstable or intermittent signal in the TP Sensor circuit. This is the manufacturer-specific definition used by Chrysler.

Empfohlene Prüfungen

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Confirm the exact vehicle, ECU and software context
  • Inspect relevant wiring and connectors
  • Check applicable OEM service information

Dodge

1 Interpretation
P1121
Decreased Engine Performance Due To High Intake Air Temp Dodge · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Decreased Engine Performance Due To High Intake Air Temp circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

Ford

1 Interpretation
P1121
Throttle Position Sensor Inconsistent with Mass Air Flow Sensor Ford · engine Datenzuverlässigkeit 80%

The control module detected a fault associated with the Throttle Position Sensor Inconsistent with Mass Air Flow Sensor circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Ford.

Mögliche Ursachen

  • Wiring
  • MAF sensor
  • TP sensor
  • air leak

Empfohlene Prüfungen

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

Honda

1 Interpretation
P1121
Throttle position (TP) sensor - position lower than expected Honda · engine Datenzuverlässigkeit 80%

The control module detected that the Throttle position (TP) sensor - position value was lower than expected for the current conditions. This is the manufacturer-specific definition used by Honda.

Mögliche Ursachen

TP sensor

Hyundai

1 Interpretation
P1121
APS PWM Output Circuit Malfunction Hyundai · engine Datenzuverlässigkeit 62%

The control module detected improper operation of the APS PWM Output circuit. This is the manufacturer-specific definition used by Hyundai.

Jaguar

1 Interpretation
P1121
Pedal Position Sensor A Circuit Range Performance Jaguar · engine Datenzuverlässigkeit 62%

The control module judged the Pedal Position Sensor A signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions. This is the manufacturer-specific definition used by Jaguar.

Kia

1 Interpretation
P1121
AT - TP sensor signal Kia · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the AT - TP sensor signal circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Kia.

Mögliche Ursachen

  • Wiring
  • TP sensor
  • TCM

Land Rover

1 Interpretation
P1121
Throttle position (TP) sensor - range/ performance problem Land Rover · engine Datenzuverlässigkeit 62%

The control module judged the Throttle position (TP) behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Land Rover.

Mögliche Ursachen

  • Wiring
  • supply voltage
  • TP sensor
  • ECM

Lexus

1 Interpretation
P1121
Accelerator pedal position (APP) sensor - range/performance problem Lexus · engine Datenzuverlässigkeit 80%

The control module judged the Accelerator pedal position (APP) behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Lexus.

Mögliche Ursachen

  • APP sensor
  • ECM

Empfohlene Prüfungen

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

MINI

1 Interpretation
P1121
Pedal Position 1 Range/Performance Problem MINI · engine Datenzuverlässigkeit 62%

The control module judged the Pedal Position 1 behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by MINI.

Nissan

1 Interpretation
P1121
Throttle valve position motor - malfunction Nissan · engine Datenzuverlässigkeit 62%

The control module detected improper operation of the Throttle valve position motor. This is the manufacturer-specific definition used by Nissan.

Mögliche Ursachen

Throttle valve position motor

Porsche

1 Interpretation
P1121
Oxygen Sensor Heating Porsche · emissions Datenzuverlässigkeit 62%

The control module detected a fault associated with the Oxygen Sensor Heating circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

Suzuki

1 Interpretation
P1121
Throttle Position Sensor Intermittent High Voltage Suzuki · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Throttle Position Sensor Intermittent High Voltage circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Suzuki.

Toyota

1 Interpretation
P1121
Accelerator pedal position (APP) sensor - range/performance problem Toyota · engine Datenzuverlässigkeit 80%

The control module judged the Accelerator pedal position (APP) behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Toyota.

Mögliche Ursachen

  • APP sensor
  • ECM

Empfohlene Prüfungen

  • Perform a full module scan
  • Review freeze-frame and occurrence data
  • Compare commanded and measured values
  • Check applicable OEM service information

VAG

2 Interpretationen
P1121
Heated oxygen sensor (HO2S) 2, Bank 2 - heater short to ground VAG · emissions Datenzuverlässigkeit 62%

The control module detected a short circuit to ground in the Heated oxygen sensor (HO2S) 2, Bank 2 - heater circuit. This is the manufacturer-specific definition used by Audi.

Mögliche Ursachen

  • Wiring short to ground
  • HO2S
Gilt für Audi
P1121
Heated oxygen sensor (HO2S) heater short to ground VAG · emissions Datenzuverlässigkeit 80%

The control module detected a short circuit to ground in the Heated oxygen sensor (HO2S) heater circuit. This is the manufacturer-specific definition used by Volkswagen.

Mögliche Ursachen

  • Wiring short to ground
  • HO2S
Gilt für Volkswagen

Verwandte und benachbarte Codes

So liest man P1121

P

Antriebsstrang: Motor, Getriebe und Antrieb.

1

Herstellerdefinierter Bereich: die Bedeutung kann je Marke abweichen.

121

Spezifischer Fehlerindex innerhalb des Subsystems.

Häufige Fragen zu P1121

Was bedeutet P1121?

Diagnose-Fehlercode (17 Interpretationen). The control module detected that the Throttle position (TP) voltage stayed above the expected range. This is the manufacturer-specific definition used by Chevrolet.

Ist P1121 generisch oder herstellerspezifisch?

P1121 ist ein herstellerspezifischer Code. In dieser Datenbank ist er dokumentiert für: Chevrolet, Chrysler, Dodge, Ford, Honda, Hyundai, Jaguar, Kia, Land Rover, Lexus, MINI, Nissan, Porsche, Suzuki, Toyota, VAG. Dieselbe Nummer kann bei anderen Marken etwas anderes bedeuten.

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