P1139 Code défaut de diagnostic (8 interprétations)

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.

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 Chrysler.

The control module detected improper operation of the Water In Fuel Indicator circuit. This is the manufacturer-specific definition used by Ford.

The 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.

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.

The 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.

The 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.

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).