P0193 - Fuel Rail Pressure Sensor Circuit High (Bank 1)

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DTC DESCRIPTION P0193 - FUEL RAIL PRESSURE SENSOR CIRCUIT HIGH (BANK 1)

Description: This DTC sets when the FRP voltage is higher than expected.
Possible Causes: FRP circuit open FRP circuit short to voltage FRP circuit short to VREF circuit SIGRTN circuit open VREF circuit open VREF circuit short to SIGRTN circuit VREF circuit short to ground Damaged FRP sensor connector Damaged FRP sensor
Diagnostic Aids: The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center. Verify the VREF voltage at the FRP sensor is between 4.5 and 5.5 volts with the ignition ON, engine OFF.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST MB .