TM 9-2320-363-20-1 Section 4 TROUBLESHOOTING CHARTS FLASH CODE: 34 DDR DISPLAY: TURBO BOOST SENSOR INPUT VOLTAGE LOW SAE J1587 CODE: PID: 102 FMI: 4 Indicates that the engine Turbo Boost Sensor (TBS) input to the ECM has dropped below 5% (normally < 0.25 volts) of the sensor supply voltage.  This diagnostic condition is typically: (1) open sensor signal circuit (2) open sensor +5 volt supply circuit (3) sensor signal is shorted to the sensor return circuit or to ground (4) sensor +5 volt supply is shorted to sensor return circuit FLASH CODE: 35 DDR DISPLAY: OIL PRESSURE SENSOR INPUT VOLTAGE HIGH SAE J1587 CODE: PID: 100 FMI: 3 Indicates that the engine Oil Pressure Sensor (OPS) input to the ECM has exceeded 95% (normally > 4.75 volts) of the sensor supply voltage.  This diagnostic condition is typically: (1) open sensor return circuit (2) sensor signal circuit is shorted to the sensor +5 volt supply FLASH CODE: 36 DDR DISPLAY: OIL PRESSURE SENSOR INPUT VOLTAGE LOW SAE J1587 CODE: PID: 100 FMI: 4 Indicates that the engine Oil Pressure Sensor (OPS) input to the ECM has dropped below 5% (normally < 0.25 volts) of the sensor supply voltage.  This diagnostic condition is typically: (1) open sensor signal circuit (2) open sensor +5 volt supply circuit (3) sensor signal is shorted to the sensor return circuit or to ground (4) sensor +5 volt supply is shorted to sensor return circuit FLASH CODE: 37 DDR DISPLAY: FUEL PRESSURE SENSOR INPUT VOLTAGE HIGH SAE J1587 CODE: PID: 94 FMI 3 Indicates that the engine Fuel Pressure Sensor (FPS) input to the ECM has exceeded 95% (normally > 4.75 volts) of the sensor supply voltage.  This diagnostic condition is typically: (1) open sensor return circuit (2) sensor signal circuit is shorted to the sensor +5 volt supply FLASH CODE: 38 DDR DISPLAY: FUEL PRESSURE SENSOR  INPUT VOLTAGE LOW SAE J1587 CODE: PID: 94 FMI: 4 Indicates  that  the  engine  Fuel  Pressure  Sensor  (FPS)  input  to  the  ECM  has  dropped  below  5%  (normally  <  0.25 volts) of the sensor supply voltage.  This diagnostic condition is typically: (1) open sensor signal circuit (2) open sensor +5 volt supply circuit (3) sensor signal is shorted to the sensor return circuit or to ground (4) sensor +5 volt supply is shorted to sensor return circuit Change 3  3-345.25