P1143 Code défaut de diagnostic (7 interprétations)

The control module detected a fault associated with the HO2S Bank 1 Sensor 3 Lean System or Low Voltage 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 Fuel Rail Pressure Malfunction Positive Pressure Deviation circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Dodge.

The control module judged the Air Assisted Injector Control Valve behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Jaguar.

The control module detected a fault associated with the Fuel Rail Pressure Malfunction Positive Pressure Deviation 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.

The control module detected a fault associated with the Heated oxygen sensor (HO2S) 1, bank 1 - lean shift monitoring circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Nissan.

The control module detected that the Load calculation value was above the expected limit. This is the manufacturer-specific definition used by Audi.

The control module detected that the monitored Load Calculation Cross Check: Upper Limit value exceeded the calibrated threshold. This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17551. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).