Mercedes Atego 2 List of DTCs Engine Control (MR)

0100 CAN-H connection to FR defective

0101 CAN-L connection to FR defective

0102 Data from the FR control unit (motion control) is erroneous

0104 CAN connection to FR defective

0149 CAN parameterization error

0204 CAN-High-wire to the SCR-module of the frame (Euro 4 or Euro 5) is faulty.

0308 Crankshaft position sensor, short to ground

0309 Crankshaft position sensor, circuit break

0310 Crankshaft position sensor: signal is too weak

0311 Crankshaft position sensor: incorrect timing of the crankshaft and camshaft signals.

0312 Crankshaft Position Sensor: No signal

0313 Crankshaft Position Sensor: Reverse polarity.

0408 Camshaft position sensor, short to ground

0409 Camshaft Position Sensor, electrical circuit break

0412 Camshaft Position Sensor: no signal

0413 Camshaft Position Sensor: Reverse Polarity

0530 Overspeed

0612 No signal 'fan speed'.

0631 Fan speed too low.

0722 The temperature after the catalyst is too high.

0782 No catalyst.

0788 The temperature in front of the catalyst is too high (threshold value 1 exceeded).

0789 The temperature before the catalyst is too high (threshold 2 exceeded).

0797 The temperature in front of the catalyst is too high (reduced engine power).

0815 The temperature sensor in front of the catalyst has an open circuit or a short to positive.

0816 The temperature sensor in front of the catalyst has a short to ground.

0915 The temperature sensor behind the catalyst has an open circuit or a short to positive.

0916 The temperature sensor behind the catalyst has a short to ground.

1015 The oil temperature sensor has exceeded the measuring range (short circuit to positive, open circuit).

1016 Oil temperature sensor has not reached the minimum value of the measuring range (short circuit to ground).

1115 The fuel temperature sensor has exceeded the measuring range (short circuit to positive, open circuit).

1116 The fuel temperature sensor has not reached the minimum value of the measuring range (short circuit to ground).

1215 Combined sensor 'boost pressure and charge air temperature': temperature sensor, measuring range exceeded (short circuit to positive, open circuit)

1216 Combined sensor 'boost pressure and charge air temperature': temperature sensor, the measurement range has not been reached (short to ground)

1315 Atmospheric pressure sensor, measuring range exceeded (short circuit to positive, open circuit).

1316 Atmospheric pressure sensor, the minimum value of the measuring range has not been reached (short circuit to ground).

1415 Combined sensor 'boost pressure and charge air temperature': pressure sensor, measuring range exceeded (short circuit to positive, open circuit)

1416 Combined sensor 'boost pressure and charge air temperature': pressure sensor, the minimum measuring range is not reached (short circuit to ground)

1417 Combined sensor 'boost pressure and discharge temperature': pressure sensor, measured value is not reliable

1515 Coolant temperature sensor, measuring range exceeded (short circuit to positive, open circuit).

1516 Coolant temperature sensor, the minimum value of the measuring range has not been reached (short circuit to ground).

1615 Oil pressure sensor, measuring range exceeded (short circuit to positive, open circuit).

1616 Oil pressure sensor, the minimum value of the measuring range has not been reached (short circuit to ground).

1617 Oil pressure sensor, measured value is unreliable

1715 Combined input: measuring range exceeded

1716 Combo input: minimum measuring range not reached

1717 Combo input: implausible signal

1818 Pressure circuit defective

1820 boost pressure exceeded

1822 Exhaust air temperature exceeded

1873 Turbocharger speed has impaired uniform movement.

1874 Deviation of the set pressure control value of the charge air is too large.

1875 Charge pressure deviation too large.

1876 The boost pressure for braking is not enough.

1878 Discharge circuit defective

1917 The measured value of the fuel pressure sensor is not reliable.

2017 The measured value of the oil pressure sensor is not reliable.

2020 Oil pressure is too low.

2021 Oil pressure too low.

2026 Engine oil level is too high or too low.

2122 Coolant temperature is too high.

2219 Terminal 15 of the MR or FR control unit has an open circuit.

2319 Terminal 50 of the MR or FR control unit has an open circuit.

2415 The differential fuel pressure sensor has an open circuit.

2416 The differential fuel pressure sensor has a short to positive, ground.

2509 Oil Level Sensor: open circuit

2515 Oil level sensor, short to positive, measurement range exceeded

2516 Oil level sensor, short to ground, at least the measuring range is not reached

2517 Oil level sensor: measured value is not reliable

2612 Turbocharger speed sensor has an open circuit, short to ground, short to positive.

2615 Turbocharger speed sensor has a short to positive, an open circuit.

2616 Turbocharger speed sensor has a short to ground.

2712 No RPM signal from the generator (timeout).

OR

The turbocharger speed sensor has an open circuit, a short to ground, a short to positive (turbocharger 2).

2804 NOx sensor has a communications error.

2815 NOx sensor has a short to positive, an open circuit.

2816 NOx sensor has a short to ground.

2971 Emissions of nitrogen oxides too high (1 threshold exceeded)

2972 Emissions of nitrogen oxides too high (2 threshold exceeded)

3015 Fuel pressure sensor, measuring range exceeded (short circuit to positive, open circuit)

3016 Fuel pressure sensor, measurement range minimum not reached (short to ground)

3115 Charge air temperature sensor 2 has an open circuit.

13116 Charge air temperature sensor 2 has a short circuit.

3215 The exhaust gas recirculation temperature sensor has an open circuit.

3216 Exhaust gas recirculation temperature sensor has a short circuit.

3332 Exhaust gas temperature sensor: value outside the specified range.

3415 The humidity sensor has a short to positive, an open circuit.

3416 The humidity sensor has a short to ground.

3515 The air temperature sensor has a short circuit to positive, an open circuit.

3516 Air temperature sensor has a short to ground.

3604 CAN message 'Air temperature' missing.

3617 The measured value of the ambient temperature sensor is not reliable.

3706 The SCR compressed air valve has a short to ground.

3707 SCR compressed air valve has a short to positive.

3709 The SCR compressed air valve has an open circuit.

3817 The measured values of the temperature sensors on the catalyst are unreliable.

3906 AdBlue pump has a short to ground.

3907 AdBlue pump has a short to positive.

3909 AdBlue pump has an open circuit.

4024 Internal error in the control unit

4034 Internal error in the control unit

4035 Internal error in the control unit

4036 Internal error in the control unit

4037 Internal error in the control unit

4038 Internal error in the control unit

4039 Starter control (output stage) defective

4040 Internal error in the control unit

4041 Internal error in the control unit

4047 Internal error in the control unit

4048 Internal error in the control unit

4049 Invalid parameterization of proportional valves

4050 Internal error in the control unit

4051 Internal error in the control unit

4052 Internal error in the control unit

4053 Internal error in the control unit

4054 Internal error in the control unit

4056 Internal error in the control unit

4058 The data block in the MR engine control unit (PLD) has been changed.

4092 Internal error in the control unit

4149 Motor brake incorrectly parameterized.

4200 Proportional valve 5 has a short to positive.

4201 Proportional valve 5 has a short to ground.

4202 Proportional valve 7 has a short to ground.

4203 Proportional valve 7 has an open circuit.

4204 Proportional valve 7 has a short to positive.

4205 The throttle position sensor has a short circuit to positive, an open circuit.

4206 The throttle position sensor has a short to ground.

4207 The temperature sensor in front of the diesel oxidation catalyst has a short to positive, an open circuit.

4208 The temperature sensor in front of the diesel oxidation catalyst has a short to ground.

4209 The temperature sensor behind the diesel oxidation catalyst has a short to positive, an open circuit.

4210 The temperature sensor behind the diesel oxidation catalyst has a short to ground.

4211 The differential pressure sensor in front of the particulate filter has a short circuit to positive, an open circuit.

4212 The differential pressure sensor in front of the particulate filter has a short to ground.

4213 The differential pressure sensor behind the particulate filter has a short circuit to positive, an open circuit.

4214 The differential pressure sensor behind the particulate filter has a short to ground.

4215 The differential pressure in the particulate filter is too high.

4216 The differential pressure in the particulate filter is too low.

4217 The throttle control deviation is too large.

4218 The initial installation of the throttle valve failed.

4219 The diffuser in the AdBlue is blocked.

4220 Dispenser contaminated

4221 Heated diffuser has an open circuit.

4222 Heater diffuser has a short to ground.

4223 Heater diffuser has a short circuit to positive.

4224 Internal error in the control unit

4225 Proportional valve row 1 has a short to positive.

4226 Proportional valve row 1 has a short to ground.

4227 Internal malfunction of the control unit

4228 Missing SCRT components.

4229 The measured value of the SCRT temperature sensors (pair A) is not reliable.

4230 The measured value of the SCRT temperature sensors (pair B) is not reliable.

4231 Diesel particulate filter not installed.

4232 The measured value of the differential pressure sensor in front of the particulate filter is not reliable.

4233 The measured value of the differential pressure sensor after the particulate filter is not reliable.

4234 Emissions of nitrogen oxides too high due to an unknown cause (2 threshold exceeded)

4235 Emissions of nitrogen oxides too high due to poor AdBlue quality

4236 Emissions of nitrogen oxides too high due to insufficient dosing of AdBlue

4237 The measured value of the NOx sensor is not reliable.

4238 The temperature in the particulate filter is too low.

4239 Sensor unit 1 in the MR control unit has a short circuit.

4240 Sensor unit 2 in the MR control unit has a short circuit.

4241 The sensor unit 1 in the SCR module on the frame has a short circuit.

4242 Sensor unit 2 in the SCR module on the frame has a short circuit.

4243 Sensor unit 3 in the SCR module on the frame has a short circuit.

4244 NOx sensor failure

4245 Faulty component 'NOx sensor *.

4246 Initial nitrogen oxide emission too high

4247 Faulty structural unit 'catalyst'.

4248 Poor AdBlue quality or insufficient AdBlue dosing

4249 Nitrogen oxide emission too high

4415 The differential pressure sensor in front of the particulate filter has a short circuit to positive, an open circuit.

4416 The differential pressure sensor in front of the particulate filter has a short to ground.

4805 Injector 1 has a short to positive.

4806 The return of unit 1 injectors has a short to ground.

4905 Injector pump row 2 has a short to positive.

4906 Return of unit 2 injectors has a short to ground.

5026 Injector pump cylinder 1: valve does not open

5027 Injector pump cylinder 1: control failure

5028 Injector pump cylinder 1: short circuit

5126 Cylinder 2 nozzle pump: valve does not open

5127 Cylinder 2 Injector Pump: Control Failure

5128 Cylinder 2 Injector Pump: Short Circuit

5226 Cylinder 3 nozzle pump: valve does not open

5227 Cylinder 3 Injector Pump: Control Failure

5228 Cylinder 3 Injector Pump: Short Circuit

5326 Cylinder 4 nozzle pump: valve does not open

5327 Cylinder 4 injector pump: control malfunction

5328 Cylinder 4 nozzle pump: short circuit

5426 Cylinder 5 injector pump: valve does not open

5427 Cylinder 5 injector pump: control malfunction

5428 Injector pump cylinder 5: short circuit

5526 Injector pump cylinder 6: valve does not open

5527 Injector-pump cylinder 6: control failure

5528 Injector pump cylinder 6: short circuit

5626 Injector pump cylinder 7: valve does not open

5627 Injector pump cylinder 7: control failure

5628 Injector pump cylinder 7: short circuit

5726 Injector pump cylinder 8: valve does not open

5727 Injector pump cylinder 8: control failure

5728 Injector pump cylinder 8: short circuit

5806 AdBlue pipeline heater has a short to ground.

5807 AdBlue pipeline heater has a short to positive.

5809 AdBlue pipeline heating has an open circuit.

5869 AdBlue pipe heater defective.

5906 The AdBlue tank pre-heater solenoid valve has a short to ground.

5907 The AdBlue tank pre-heater solenoid valve has a short to positive.

5909 The AdBlue solenoid valve for heating has an open circuit.

5969 AdBlue tank heating valve defective.

6015 AdBlue level sensor has a short circuit to positive, an open circuit.

6016 AdBlue level sensor has a short to ground.

6029 AdBlue tank fill level is too low.

6115 AdBlue tank temperature sensor has a short circuit to positive, an open circuit.

6116 AdBlue tank temperature sensor has a short to ground.

6169 Sensor 'AdBlue tank level / tank temperature' defective.

6293 Internal fault in the SCR module on the frame

6327 OBD lamp activation failed.

6409 The heating flange has an open circuit.

6432 Heated flange malfunction

6506 The oil separator diagnostic wire has a short to ground.

6564 The oil separator diagnostic wire has an open circuit or a short to positive.

6678 Exhaust gas recirculation valve defective.

6679 The temperature difference between the exhaust gases and the coolant is not significant.

6720 AdBlue pressure is too high.

6721 AdBlue pressure is too low.

6770 AdBlue pressure drop on pump overrun too low.

6777 The current consumption of the AdBlue pump is too large.

6820 SCR compressed air pressure too high.

6821 Compressed air pressure SCR too low.

6883 Air supply to the SCR compressed air system is interrupted.

6949 Parameterization error

6994 exhaust gas aftertreatment system is disabled and the diagnostic program is active

6995 The exhaust gas aftertreatment system is disabled and the diagnostic program is active

7006 Proportional valve 1 has a short to ground.

7007 Proportional valve 1 has a short to positive.

7009 Proportional valve 1 has an open circuit.

7106 Solenoid valve 3: fan stage 1 has a short to ground.

7107 Proportional valve 3 has a short to positive.

7109 Solenoid valve 3: fan stage 1 has an open circuit.

7112 Solenoid valve 3: overdrive fan - no fan speed

7206 Solenoid valve 4: fan stage 2 has a short to ground.

7207 Proportional valve 4 has a short to positive.

7209 Solenoid valve 4: fan stage 2 has an open circuit.

7305 Solenoid valve 2: the decompression valve brake has a short to positive.

7306 Solenoid valve 2: The decompression valve brake has a short to ground.

7307 Proportional valve 2 has a short to positive.

7309 Proportional valve 2 has an open circuit.

7317 Solenoid valve 2: The decompression valve brake has an open circuit or a short to ground.

7405 Proportional valve 5 has a short to positive.

7408 Proportional valve 5 has a short to ground.

7542 Battery Over Voltage

7543 Battery undervoltage

7606 Proportional valve 6 has a short to ground.

7609 Proportional valve 6 has an open circuit.

7705 Proportional valve row 1 has a short to positive.

7708 Proportional valve row 1 has a short to ground.

7805 Proportional valve row 2 has a short to positive.

7808 The proportional valve of row 2 has a short to ground.

7905 The proportional valve of the row of SCR module on the frame has a short circuit to positive.

7908 The proportional valve of the row of SCR module on the frame has a short to ground.

8005 Terminal 50 to primary relay (short to positive)

8008 Terminal 50 to primary relay (short to ground)

8009 Terminal 50 to the primary relay (open circuit)

8033 Faulty control relay

8039 Starter control (output stage) defective

8086 No starter engagement

8106 Compressed air shutoff valve SCR has a short to ground.

8107 SCR compressed air shutoff valve has a short to positive.

8109 The compressed air shut-off valve SCR has an open circuit.

8206 AdBlue metering valve has a short to ground.

8207 AdBlue metering valve has a short to positive.

8209 AdBlue metering valve has an open circuit.

8315 AdBlue temperature sensor has a short to positive, an open circuit.

8316 AdBlue temperature sensor has a short to ground.

8415 AdBlue pressure sensor has a short circuit to positive, an open circuit.

8416 AdBlue pressure sensor has a short to ground.

8417 The measured value of the AdBlue pressure sensor is not reliable.

8515 SCR compressed air sensor has a short to positive, an open circuit.

8516 The SCR compressed air sensor has a short to ground.

8517 The measured value of the SCR compressed air pressure sensor is not reliable.

8690 Current AdBlue consumption is too high.

8691 Current AdBlue flow rate is too low.

8790 Average AdBlue consumption is too high.

8791 Average AdBlue consumption is too low.

8896 AdBlue pressure unreliable.

8906 Compressed air shutoff valve SCR has a short to ground.

8907 SCR compressed air shutoff valve has a short to positive.

8909 The compressed air shut-off valve SCR has an open circuit.

9044 Cylinder 1 nozzle pump: adjust idle uniformity in the restricted area

9045 Cylinder 1 nozzle pump: Correction for individual cylinders in the restricted area

9144 Cylinder 2 nozzle pump: adjusting idle uniformity in the restricted area

9145 Cylinder 2 nozzle pump: Correction for individual cylinders in the restricted area

9244 Cylinder 3 nozzle pump: adjusting idle uniformity in the restricted area

9245 Cylinder 3 nozzle pump: Correction for individual cylinders in the restricted area

9344 Cylinder 4 nozzle pump: adjusting idle uniformity in the restricted area

9345 Cylinder 4 nozzle pump: Correction for individual cylinders in the restricted area

9444 Cylinder 5 Injector Nozzle: Adjusting Idle Uniformity in the Limit Area

9445 Cylinder 5 nozzle pump: Correction for individual cylinders in the restricted area

9544 Cylinder 6 nozzle pump: adjusting idle uniformity in the restricted area

9545 Pump nozzle cylinder 6: correction for individual cylinders in the restricted area

9644 Cylinder 7 nozzle pump: adjusting idle uniformity in the restricted area

9645 Cylinder 7 nozzle pump: Correction for individual cylinders in the restricted area

9744 Cylinder 8 nozzle pump: adjusting idle uniformity in the restricted area

9745 Cylinder 8 nozzle pump: Correction for individual cylinders in the restricted area

9846 Error correction for individual cylinders

9960 Too many keys

9961 Immobilizer protection function activated; MR control unit locked

9962 The immobilizer protection function in the MR unit is activated.

9963 Transponder code missing on engine CAN data bus

9964 Transponder code missing at terminal 50

9965 Inappropriate Transponder Key