DTC Detection Logic

DTC No.

CONSULT screen terms

DTC detecting condition

(Trouble diagnosis content)

Malfunction type

P0191

16

FUEL RAIL PRESSURE SENSOR A

(Fuel Rail Pressure Sensor Circuit Range/Performance Bank 1)

CIRC VOLT BELOW THRESHOLD

The fuel pressure and temperature sensor has a malfunction. The limit value for electrical voltage has not been attained.

17

CIRC VOLT ABOVE THRESHOLD

The fuel pressure and temperature sensor has a malfunction. The limit value for electrical voltage has been exceeded.