Replacing The Component

Fig 1: Identifying Ignition OFF

GLL101045

Courtesy of VOLVO CARS CORPORATION

Ignition off.
The control module has registered a fault in the heated oxygen sensor (HO2S). Try a new heated oxygen sensor (HO2S). See HEATED OXYGEN SENSOR (HO2S), REPLACING .

Fig 2: Front Heated Oxygen Sensor
Courtesy of VOLVO CARS CORPORATION

Continue
Refer to VERIFICATION