fault codes for the engine control unit (edc) on man trucks
| P code | SPN code | Description | way of | evidence | Reaction |
| R0069 | 102 | Charge air pressure sensor | Check contacts and the sensor wiring and check the turbocharging system for leaks | Open circuit | The boost pressure is perceived as standard. Perceived boost pressure according to the atmosphericpressure |
| R0087 | 3775 3776 | Line pressure | pressure Check | Opening the pressure relief valve, the engine stop | The failure of the internal combustion engine |
| R0115 | 3091 | Coolant temperature | Checking of sensor voltage | No signal | Issuing the backup option, the torque limit rotation of the internal combustion engine, OBD monitoring is not possible |
| R0130 | 3921 | The concentration of O2 | |||
| R0190 | 3099 | Sensor line pressure | Checking of sensor voltage | No signal | Internal combustion engine continues to operate at 800 BAR pressure of the main, torque limit rotation of the internal combustion engine, reducing the speed to 2000 rev / min for D08, failure the internal combustion engine. |
| P1000 | 81 | Exhaust gas pressure sensor | contacts check validation speed change differential pressure of exhaust gases | Poor contact pressure is correct | |
| R1004 | 105 | Combustion air temperature | Check contacts, validation rate of change of the charge air temperature. | High or low temperature, poor contact of the signal line, the wrong signal. | Failure of the engine. |
| R1010 | 173 | The exhaust gas temperature sensor | contacts check validation rate of change of the exhaust gas temperature. | High or low temperature, poor contact of the signal line, the wrong signal. | OBD monitoring is not possible. |
| R1013 | 1079 | Power supply line pressure sensor | Check for an open circuit and the power supply wires and the masses. | Circuit, there is no signal. | The engine continues to work with 800 BAR line pressure, torque limit ICE rotation failure of the engine. |
| R1014 | 1080 | Sensor supply low-pressure fuel, combustion air and oil pressure. | Check for an open circuit and the power supply wires and weights | Circuit, no signal | Electrical malfunction. |
| R1018 | 3081 | Charge air pressure regulator | Charge air pressure value can not be adjusted. | Constant control deviation. | ICE torque limit rotation failure of the engine. |
| R1020 | 3083 | The correctness of the main pressure sensor readings | Checking the pressure reduction is stopped when the internal combustion engine to the pressure level in the atmosphere. | The high or low voltage at the idle sensor ICE | Electrical malfunction. |
| R1022 | 3088 | The pressure sensor after the charge air intercooler in the intake manifold | Checking of sensor voltage. | Circuit, there is no signal. | Imitation of the charge air pressure in an equivalent electrical failure. |
| R1023 | 3089 | Combustion air temperature sensor | Checking of sensor voltage | Circuit, there is no signal. | OBD monitoring is not possible. |
| R1028 | 3687 | Pressure relief valve | Check opening | ICE It stops the internal combustion engine malfunction | |
| R1036 | 3745 | The output stageCharge air pressure actuator mechanism | Checking on the output stage circuit and for open wires and power supply. | Circuit, there is no signal. | The output stage is disabled, internal combustion engine speed is reduced, an electrical failure. |
| R1037 | 3746 | Output stage EGR | Checking on the output stage circuit and for open wires and power supply. | Circuit, there is no signal. | The output stage is disabled, internal combustion engine speed is reduced, the failure of the engine. malfunction |
| R1038 | 3748 | The output stage of the dosage unit | Checking on the output stage circuit and for open wires and power supply. | Circuit, there is no signal. | The output stage is turned off, the ICE operates with a line pressure of 800 BAR, the internal combustion engine rotational speed is reduced, the torque is limited to the internal combustion engine, the failure of the engine. |
| R1041 | 3756 | Reverse EGR signal | Check for open circuit and power supply wires and the masses. | Circuit, there is no signal. | Lack values or incorrect values from the sensor, OBD monitoring is notavailable. |
| R1044 | 3777 | line pressure control loop | Checking Line Pressure increased. | High Line Pressure defies regulation. | Not Available return flow of fuel is possible to open the pressure relief valve, the failure of the engine. |
| R1048 | 3781 | Pressure relief valve | Check the valve opening. | Line Pressure 600 to 800 BAR, limited ICE torque is limited by the frequency of rotation of the internal combustion engine. | |
| R1049 | 3789 | Comparing the differential pressure sensor of exhaust gases | Checking of sensor voltage. | Circuit, there is no signal. | OBD monitoring is not possible. |
| R1050 | 3790 | The correctness of readings comparing the differential pressure of exhaust gas sensor | Checking low pressure at the working engine. Checking the two different fixed values of the charge air and exhaust gas pressures. | the pressure difference | OBD monitoring is not possible. |
| R1051 | 3792 | Exhaust gas temperature sensor | Checking of sensor voltage. | Circuit, there is no signal. | OBD monitoring is not possible. |
| R1056 | 3811 | Accuracy of temperature sensor readings exhaust gases. | Check sensor readings deviations when switching off the internal combustion engine (gas temperature should drop to ambient temperature). | High or low temperature. | Failure exhaust system. |
| R1066 | 3847 | Combustion air temperature sensor in the intake manifold | Checking of sensor voltage. | Circuit, there is no signal. | OBD monitoring is not possible. |
| R1069 | 3851 | throttle position sensor AGR | Check throttle position. | Circuit, there is no signal. | Failure of the engine. |
| R1070 | 3852 | Id temperature AGR | Checking the authenticity of the recirculation of exhaust gases at a temperature of the charge air before AGR and the charge air temperature in the middle of the intake pipe. | The gas temperature in the intake manifold above the gas temperature before the AGR. | Failure of the engine. |
| R1071 | 3853 | AGR | Checking deviation value AGR controller with adjustable position. | The position deviation from the norm. | Failure of the engine. |
| R1300 | 651 | Injector №1, bank 1 (ICE 4 cylinder: cylinder №1, 6 cylinder internal combustion engine: a cylinder№1, 8-cylinder internal combustion engine: the cylinder №1 main cylinder №5 slave) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electrical fault. | Disconnecting the injector. |
| R1301 | 652 | Injector №1, Bank 2 (4-cylinder internal combustion engine: a cylinder №3, 6 cylinder internal combustion engine: a cylinder№5, 8-cylinder internal combustion engine: the cylinder head №2, №7 slave cylinder) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electrical fault. | Disconnecting the injector. |
| R1302 | 653 | Injector №2, bank 1 (ICE 4 cylinder: cylinder №4, 6 cylinder internal combustion engine: a cylinder№3, 8-cylinder internal combustion engine: the cylinder №3 main cylinder №6 slave) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electrical fault. | Disconnecting the injector. |
| R1303 | 654 | Injector №2, Bank 2 (4-cylinder internal combustion engine: a cylinder №2, 6 cylinder internal combustion engine: a cylinder №6, 8-cylinder internal combustion engine: the cylinder №4 main cylinder №8 slave) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electricfailure. | Disconnecting the injector. |
| R1304 | 655 | Injector №3, Bank 1 (internal combustion engine, 6-cylinder: the cylinder №2) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electrical fault. | Disconnecting the injector. |
| R1305 | 656 | Injector №3, bank 2 (DVS 6-cylinder: the cylinder №4) | Checking circuit from the injector to the DVS control unit. | Circuit, there is no signal. FMI4 wiring breakage, there is no signal. FMI1 circuit or other electrical fault. | Disconnecting the injector. |
| R1306 | 3678 | The bank of injectors 1 | Pressure check. | Circuit, there is no signal. | Disconnecting the injector. |
| R1307 | 3679 | Bank injectors 2 | Pressure check. | Circuit, there is no signal. | Disconnecting the injector. |
| P1500 | 190 | Sensor speed. | Checking speed sensor camshaft and crankshaft. | Wrong signal. | Electrical malfunction. |
| R1504 | 3063 | EDC inertia phase is not completed. | Verifying the completion of the last two freewheel. | OBD monitoring is not possible. | |
| R1509 | 3671 | EDC failure when reading a non-volatile memory (EEPROM) | Checking reading procedure. | The checksum is not correct. | |
| R1510 | 3673 | CAN2 | Check CAN2 | Missing or wrong signal. Defective component. | |
| R1511 | 3676 | CAN2 | Checking off the output stage injectors. | Circuit, there is no signal. | |
| R1512 | 3732 | Graduation fault during initialization. | Checking device for monitoring overvoltage. | Device for monitoring overvoltage EDC unit is not properly. | |
| R1514 | 3736 | The output stage is disabled EDC. | stage verification. | overstrain or serviceable safety line. | |
| R1515 | 3737 | Initialization in SLAVE / MASTER. | inspectionSLAVE / MASTER | ||
| R1517 | 3752 | Sensor camshaft speed. | Checking speed signal. | Missing or not the right message. Polarity is not correct. | Electrical malfunction. ICE works only with the crankshaft sensor. |
| R1518 | 3753 | Sensor crankshaft speed. | Checking speed signal. | Missing or not the right message. Polarity is not correct. | Electrical malfunction. ICE works only with the crankshaft sensor. |
| R1519 | 3754 | The signaling device is not properly during system startup. | The device is not properly. | The internal combustion engine is switched off. | |
| R1521 | 3785 | Failed job change SLAVE / MASTER | Checking workSLAVE / MASTER | ||
| R1535 | 3849 | Determining the SCR catalyst. | Check for smoke sensor exhaust gases. If the temperature is low, then the sensor does not smoke detector.) | This temperature is insufficient to the load. | Failure exhaust system. |
| R2031 | 3794 | exhaust gas temperature sensor after a posttreatment. | Checking of sensor voltage. | Circuit, there is no signal. | Failure exhaust system. |
| R2200 | 3920 | The concentration of NOx | |||
| R2208 | 3919 | Heating NOx sensor | |||
| R2226 | 3046 | The atmospheric pressure sensor. | Checking of sensor voltage. | Circuit, there is no signal. | Electrical malfunction. |
| U1009 | 3819 | CAN exhaust gases. | Check CAN3 | Signal is absent, defective component. |
| U1011 | 3821 | CAN exhaust gases. | Check CAN3 | |||
| U1012 | 3822 | CAN exhaust gases. | Check for messages. | CAN3, the response timeout. |
