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TuningBot DTC-Datenbank · v4.37.15

P1128 Diagnose-Fehlercode (12 Interpretationen)

12 herstellerspezifische Interpretationen bei 11 Herstellern in der TuningBot DTC-Datenbank.

Chrysler

1 Interpretation
P1128
Closed loop fuel control not achieved - bank 1 Chrysler · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 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
P1128
Heated oxygen sensor (HO2S) 1, bank 1 signal error Dodge · emissions Datenzuverlässigkeit 62%

The control module registered the fault condition described as "Heated oxygen sensor (HO2S) 1, bank 1 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
P1128
MAP sensor - signal lower than expected Honda · engine Datenzuverlässigkeit 80%

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

Mögliche Ursachen

  • Wiring
  • MAP sensor

Jeep

1 Interpretation
P1128
Closed loop fuel control not achieved - bank 1 Jeep · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 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

Kia

1 Interpretation
P1128
Long Term Fuel Trim Multiplicative Air System High Kia · fuel Datenzuverlässigkeit 62%

The control module detected a fault associated with the Long Term Fuel Trim Multiplicative Air System High 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.

Land Rover

1 Interpretation
P1128
Heated oxygen sensor (HO2S), upstream - transposed Land Rover · emissions Datenzuverlässigkeit 62%

The control module detected a fault associated with the Heated oxygen sensor (HO2S), upstream - 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 transposed

Lexus

1 Interpretation
P1128
Throttle actuator control (TAC) lock - malfunction Lexus · engine Datenzuverlässigkeit 80%

The control module detected improper operation of the Throttle actuator control (TAC) lock. This is the manufacturer-specific definition used by Lexus.

Mögliche Ursachen

  • TAC motor
  • throttle body
  • ECM

Mitsubishi

1 Interpretation
P1128
Closed Loop Fueling Not Achieved Bank 1 Mitsubishi · engine Datenzuverlässigkeit 62%

The control module detected a fault associated with the Closed Loop Fueling Not Achieved Bank 1 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.

Nissan

1 Interpretation
P1128
Throttle valve position motor - short circuit Nissan · engine Datenzuverlässigkeit 62%

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

Mögliche Ursachen

  • Wiring
  • throttle valve position motor

Porsche

1 Interpretation
P1128
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
P1128
Long term fuel trim, entire speed/load range, Bank 1 - system too lean VAG · fuel Datenzuverlässigkeit 62%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Long term fuel trim, entire speed/load range, Bank 1 - system). This is the manufacturer-specific definition used by Audi.

Mögliche Ursachen

  • Fuel pressure/pump
  • injector(s)
  • intake/ exhaust leak
  • AIR system
  • hose leak
Gilt für Audi
P1128
Fuel Trim; Bank 1 (Mult): System too Lean VAG · fuel Datenzuverlässigkeit 88%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Fuel Trim; Bank 1 (Mult): System). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17536. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Symptome

Malfunction Indicator Light (MIL) active

Mögliche Ursachen

  • Mass Air Flow (MAF) Sensor faulty
  • Oxygen Sensor Control faulty
  • Fuel Injector(s) faulty

Empfohlene Prüfungen

  • Check Mass Air Flow (MAF) Sensor
  • Check Oxygen Sensor Control
  • Check Fuel Injector(s)
Gilt für Volkswagen

Verwandte und benachbarte Codes

So liest man P1128

P

Antriebsstrang: Motor, Getriebe und Antrieb.

1

Herstellerdefinierter Bereich: die Bedeutung kann je Marke abweichen.

128

Spezifischer Fehlerindex innerhalb des Subsystems.

Häufige Fragen zu P1128

Was bedeutet P1128?

Diagnose-Fehlercode (12 Interpretationen). The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 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 P1128 generisch oder herstellerspezifisch?

P1128 ist ein herstellerspezifischer Code. In dieser Datenbank ist er dokumentiert für: Chrysler, Dodge, Honda, Jeep, Kia, Land Rover, Lexus, Mitsubishi, Nissan, Porsche, VAG. Dieselbe Nummer kann bei anderen Marken etwas anderes bedeuten.

Kann TuningBot P1128 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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