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Base de datos DTC de TuningBot · v4.37.15

P1128 Código de avería diagnóstico (12 interpretaciones)

12 interpretaciones específicas del fabricante en 11 fabricantes, en la base de datos DTC de TuningBot.

P · Motor y transmisiónEngineOBD2

Chrysler

1 interpretación
P1128
Closed loop fuel control not achieved - bank 1 Chrysler · engine Fiabilidad del dato 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.

Posibles causas

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

Dodge

1 interpretación
P1128
Heated oxygen sensor (HO2S) 1, bank 1 signal error Dodge · emissions Fiabilidad del dato 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.

Posibles causas

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

Honda

1 interpretación
P1128
MAP sensor - signal lower than expected Honda · engine Fiabilidad del dato 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.

Posibles causas

  • Wiring
  • MAP sensor

Jeep

1 interpretación
P1128
Closed loop fuel control not achieved - bank 1 Jeep · engine Fiabilidad del dato 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.

Posibles causas

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

Kia

1 interpretación
P1128
Long Term Fuel Trim Multiplicative Air System High Kia · fuel Fiabilidad del dato 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 interpretación
P1128
Heated oxygen sensor (HO2S), upstream - transposed Land Rover · emissions Fiabilidad del dato 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.

Posibles causas

Wiring transposed

Lexus

1 interpretación
P1128
Throttle actuator control (TAC) lock - malfunction Lexus · engine Fiabilidad del dato 80%

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

Posibles causas

  • TAC motor
  • throttle body
  • ECM

Mitsubishi

1 interpretación
P1128
Closed Loop Fueling Not Achieved Bank 1 Mitsubishi · engine Fiabilidad del dato 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 interpretación
P1128
Throttle valve position motor - short circuit Nissan · engine Fiabilidad del dato 62%

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

Posibles causas

  • Wiring
  • throttle valve position motor

Porsche

1 interpretación
P1128
Oxygen Sensing Porsche · engine Fiabilidad del dato 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 interpretaciones
P1128
Long term fuel trim, entire speed/load range, Bank 1 - system too lean VAG · fuel Fiabilidad del dato 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.

Posibles causas

  • Fuel pressure/pump
  • injector(s)
  • intake/ exhaust leak
  • AIR system
  • hose leak
Se aplica a Audi
P1128
Fuel Trim; Bank 1 (Mult): System too Lean VAG · fuel Fiabilidad del dato 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).

Síntomas

Malfunction Indicator Light (MIL) active

Posibles causas

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

Comprobaciones recomendadas

  • Check Mass Air Flow (MAF) Sensor
  • Check Oxygen Sensor Control
  • Check Fuel Injector(s)
Se aplica a Volkswagen

Códigos relacionados y cercanos

Cómo se lee P1128

P

Motor y transmisión: motor, cambio y transmisión.

1

Rango definido por el fabricante: el significado puede variar entre marcas.

128

Índice específico del fallo dentro del subsistema.

Preguntas frecuentes sobre P1128

¿Qué significa P1128?

Código de avería diagnóstico (12 interpretaciones). 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.

¿P1128 es genérico o específico del fabricante?

P1128 es un código específico del fabricante. En esta base de datos está documentado para: Chrysler, Dodge, Honda, Jeep, Kia, Land Rover, Lexus, Mitsubishi, Nissan, Porsche, VAG. El mismo número puede significar otra cosa en otras marcas.

¿Puede TuningBot eliminar P1128 a nivel de archivo?

Si la lógica del fallo vive en la calibración de la ECU, sí: nuestro servicio DTC Removal desactiva la entrada de fallo concreta. La corrección del checksum no está incluida: es un servicio aparte y opcional. ¿No sabes si tu caso encaja? Solicita una valoración gratuita y nuestros ingenieros revisarán tu archivo.

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