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TuningBot DTC-Datenbank · v4.37.15

P1129 Diagnose-Fehlercode (10 Interpretationen)

10 herstellerspezifische Interpretationen bei 9 Herstellern in der TuningBot DTC-Datenbank.

P · AntriebsstrangEngineOBD2

Chrysler

1 Interpretation
P1129
Closed loop fuel control not achieved - bank 2 Chrysler · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Mögliche Ursachen

  • Wiring
  • HO2S
  • fuel system
  • MAP sensor
  • ECM

Dodge

1 Interpretation
P1129
Heated oxygen sensor (HO2S) 1, bank 2 signal error Dodge · emissions Datenzuverlässigkeit 62%

The control module registered the fault condition described as "Heated oxygen sensor (HO2S) 1, bank 2 signal error". This is the manufacturer-specific definition used by Dodge.

Mögliche Ursachen

  • Mechanical fault
  • wiring
  • fuel pressure
  • injector(s)
  • intake leak
  • HO2S

Honda

1 Interpretation
P1129
MAP sensor - signal higher than expected Honda · engine Datenzuverlässigkeit 80%

The control module detected that the MAP sensor value was higher than expected for the current conditions. This is the manufacturer-specific definition used by Honda.

Mögliche Ursachen

  • Vacuum leaks
  • wiring
  • MAP sensor

Hyundai

1 Interpretation
P1129
2nd Lock Solenoid Malfunction Hyundai · engine Datenzuverlässigkeit 62%

The control module detected improper operation of the 2nd Lock Solenoid. This is the manufacturer-specific definition used by Hyundai.

Jeep

1 Interpretation
P1129
Closed loop fuel control not achieved - bank 2 Jeep · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Mögliche Ursachen

  • Wiring
  • HO2S
  • fuel system
  • MAP sensor
  • ECM

Land Rover

1 Interpretation
P1129
Heated oxygen sensors (HO2S) 1 - sensors transposed Land Rover · emissions Datenzuverlässigkeit 62%

The control module detected a fault associated with the Heated oxygen sensors (HO2S) 1 - sensors transposed circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Mögliche Ursachen

Wiring

Mitsubishi

1 Interpretation
P1129
Closed Loop Fueling Not Achieved Bank 2 Mitsubishi · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed Loop Fueling Not Achieved Bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.

Porsche

1 Interpretation
P1129
Oxygen Sensing Porsche · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Oxygen Sensing 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.

VAG

2 Interpretationen
P1129
Long term fuel trim, entire speed/load range, Bank 2 - system too rich VAG · fuel Datenzuverlässigkeit 62%

The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Long term fuel trim, entire speed/load range, Bank 2 - system). This is the manufacturer-specific definition used by Audi.

Mögliche Ursachen

  • Excessive fuel in engine oil
  • fuel pressure
  • EVAP canister purge valve
  • injector(s)
Gilt für Audi
P1129
Long term fuel trim, system too rich VAG · fuel Datenzuverlässigkeit 80%

The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Long term fuel trim, system). This is the manufacturer-specific definition used by Volkswagen.

Mögliche Ursachen

  • Fuel pressure
  • EVAP canister purge valve
  • injector(s)

Empfohlene Prüfungen

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

Verwandte und benachbarte Codes

So liest man P1129

P

Antriebsstrang: Motor, Getriebe und Antrieb.

1

Herstellerdefinierter Bereich: die Bedeutung kann je Marke abweichen.

129

Spezifischer Fehlerindex innerhalb des Subsystems.

Häufige Fragen zu P1129

Was bedeutet P1129?

Diagnose-Fehlercode (10 Interpretationen). The control module detected a fault associated with the Closed loop fuel control not achieved - bank 2 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Ist P1129 generisch oder herstellerspezifisch?

P1129 ist ein herstellerspezifischer Code. In dieser Datenbank ist er dokumentiert für: Chrysler, Dodge, Honda, Hyundai, Jeep, Land Rover, Mitsubishi, Porsche, VAG. Dieselbe Nummer kann bei anderen Marken etwas anderes bedeuten.

Kann TuningBot P1129 auf Dateiebene entfernen?

Wenn die Fehlerlogik in der Steuergerätekalibrierung liegt, ja: unser DTC-Removal-Dienst deaktiviert den konkreten Fehlereintrag. Die Checksum-Korrektur ist nicht enthalten: Sie ist ein separater, optionaler Service. Unsicher, ob Ihr Fall dazugehört? Fordern Sie eine kostenlose Einschätzung an, und unsere Ingenieure prüfen Ihre Datei.

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