The control module detected a fault associated with the HO2S Insufficient Switching Bank 1 Sensor 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 Chevrolet.
Base de datos DTC de TuningBot · v4.37.15
P1139 Código de avería diagnóstico (8 interpretaciones)
8 interpretaciones específicas del fabricante en 7 fabricantes, en la base de datos DTC de TuningBot.
Chevrolet
1 interpretación
Chrysler
1 interpretaciónThe control module detected a fault associated with the HO2S Insufficient Switching Bank 1 Sensor 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.
Comprobaciones recomendadas
- 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
Ford
1 interpretaciónThe control module detected improper operation of the Water In Fuel Indicator circuit. This is the manufacturer-specific definition used by Ford.
Posibles causas
- Wiring
- bulb open circuit
- instrument panel
- ECM
MINI
1 interpretaciónThe control module detected that the signal in the O2 Sensor Heater circuit stayed above the expected operating range. This is the manufacturer-specific definition used by MINI.
Porsche
1 interpretaciónThe 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.
Subaru
1 interpretaciónThe control module judged the Heated oxygen sensor (HO2S) 1, heater control behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Subaru.
Posibles causas
- Wiring
- HO2S
- ECM
VAG
2 interpretacionesThe control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Long term fuel trim, idling, Bank 2 - system). This is the manufacturer-specific definition used by Audi.
Posibles causas
- Fuel pressure
- injector(s)
- EVAP canister purge valve
The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (Fuel Trim: Bank 2 (Add): System). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17547. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).
Síntomas
Malfunction Indicator Light (MIL) active
Posibles causas
- Mass Air Flow (MAF) Sensor faulty
- Fuel Pressure Regulator faulty
- Fuel Injector(s) faulty
- Oxygen Sensor Control faulty
- Evaporative Emission (EVAP) System faulty
Comprobaciones recomendadas
- Check Mass Air Flow (MAF) Sensor
- Check Fuel Pressure Regulator
- Check Fuel Injector(s)
- Check Oxygen Sensor Control
- Check Evaporative Emission (EVAP) System
Códigos relacionados y cercanos
Cómo se lee P1139
Motor y transmisión: motor, cambio y transmisión.
Rango definido por el fabricante: el significado puede variar entre marcas.
Índice específico del fallo dentro del subsistema.
Preguntas frecuentes sobre P1139
¿Qué significa P1139?
Código de avería diagnóstico (8 interpretaciones). The control module detected a fault associated with the HO2S Insufficient Switching Bank 1 Sensor 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 Chevrolet.
¿P1139 es genérico o específico del fabricante?
P1139 es un código específico del fabricante. En esta base de datos está documentado para: Chevrolet, Chrysler, Ford, MINI, Porsche, Subaru, VAG. El mismo número puede significar otra cosa en otras marcas.
¿Puede TuningBot eliminar P1139 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.
Otros servicios de archivo
Entender el sistema detrás de este código: Sondas lambda
