VOLVO FL10
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VOLVO FL10
| Code | Description | Reason and reaction. |
| 1 | The EDC unit is not connected correctly (only for TD122FS). . | The EDC unit does not meet the vehicle specifications. |
| 2 | Errors in the program memory of the EDC unit. | The engine will not start. Replace the control unit. |
| 3 | Failed to test the brake pedal. With this code without other fault codes and no faults in the brake pedal air pressure sensor circuit, the lamp “ Check Engine “ should go out after 4 seconds after pressing and further holding the brake pedal .. | Wiring in the brake pedal air pressure sensor circuit is damaged or the sensor is faulty. The system maintains the specified speed. |
| 4 | There is no engine speed signal from the generator and the high-pressure pump. | The engine does not work (turned off) or codes 5 or 6 cause this error. |
| 5 | Missing or incorrect signal about the speed of rotation of the engine from the pump speed sensor. | The pump speed sensor is faulty or the wiring between the pump and the EDC unit is damaged. The EDC unit uses the engine speed signal from the generator. |
| 6 | Missing or invalid signal about engine speed from generator. | The alternator drive belts are loose or damaged, the alternator is faulty, or the wiring from the alternator contact “W” is faulty. |
| 7 | The tachograph informs the EDC unit that the vehicle speed is too high. | Calibration of the tachograph is not performed or completed with errors, the calibration code of the tachograph is different from the code of the EDC block, the signal from the tachograph is incorrect. The EDC unit reduces engine speed (for cars with a speed limiter). |
| 8 | Missing or invalid vehicle speed signal. | Wrong tachograph signal or damaged wiring. Cruise control uses the engine speed signal instead of the road speed signal. |
| 9 | The discharge air temperature is too high (above 90 ° C). | The charge air temperature sensor is faulty or the wiring is damaged, the intercooler is blocked ( intercooler ), the bypass valve is faulty. Engine power reduced. |
| 10 | Air temperature too low | The charge air temperature sensor is faulty or the wiring is damaged. Engine power reduced. |
| 11 | Discharge air temperature too high (above 100 ° C). | The charge air temperature sensor is faulty or the wiring is damaged, the signal wire is shorted to ground. Engine power reduced. |
| 12 | Coolant temperature too low. | The coolant temperature sensor is faulty or the wiring is damaged. Engine power reduced. |
| 13 | Coolant temperature too high. | The coolant temperature sensor is faulty, the wiring is damaged, the water pump is faulty, the thermostat is faulty, the radiator cooling system cells are clogged. Engine power reduced. |
| 14 | Air pressure too low. | The charge air pressure sensor is faulty or the wiring is damaged. Engine power reduced. |
| 15 | The charge air pressure is too high (only for TD122FS engine). | The charge air pressure sensor is faulty or the wiring is damaged. The amount of fuel supplied is temporarily reduced. |
| 16 | Accelerator pedal sensor produces too low voltage. | Faulty pedal sensor or wiring. The engine rotates at a constant speed (approximately 600 rpm). |
| 17 | Accelerator pedal sensor produces too high voltage. | Faulty pedal sensor or wiring. The engine rotates at a constant speed (approximately 600 rpm). |
| 18 | There is no indication of EDC faults or unsatisfactory conditions for adjusting the idling of the engine. | Faulty EDC unit. |
| 19 | Internal communication error. | Faulty EDC unit. Engine control is carried out in emergency mode. |
| 20 | Critical fault in the engine management system. | The big difference between the actual and expected position of the control rail of the injection pump. The engine stops. |
| 21 | Incorrect position of the rail of the high pressure fuel pump (low position). | Malfunction of the rail pump position. Possible to stop the engine. |
| 22 | Incorrect position of the rail of the high pressure fuel pump (high position). | Wrong or missing signal from the control mechanism of the pump. |
| 23 | Internal communication error. | Faulty EDC unit. Motor control is absent. |
Erasing registered trouble codes.
1. Turn off the ignition for at least 10 seconds;
2. Turn on the ignition;
3. Press the brake pedal;
4. Hold the brake pedal and press the ” Check ” button. Engine “and hold the button for about 3 seconds;
5. Release the button;
6. Release the brake pedal.
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