List of DTCs of the engine management system (MR) control unit – Mercedes-Benz Trucks

See also: Mercedes Trucks BS Fault Codes list and Mercedes-Benz Trucks Service Repair Manuals

Mercedes-Benz

On this page below are presented  MR error codes of engine control unit of Mercedes-Benz trucks, such as: Actros, Axor, Atego

MR 0101 – CAN-L connection to FR is faulty
MR 0102 – Data from the FR control unit (motion control) is erroneous.
MR 0104 – CAN connection to FR is faulty
MR 0149 – CAN parameterization error
MR 0204 – CAN-High-wire to the frame SCR-module (Euro 4 or Euro 5) is faulty.
MR 0308 – Crankshaft Position Sensor, short to ground
MR 0309 – Crankshaft Position Sensor, Electrical Break
MR 0310 – Crankshaft Position Sensor: Signal too weak
MR 0311 – Crankshaft Position Sensor: Incorrect timing of the crankshaft and camshaft signals.
MR 0312 – Crankshaft Position Sensor: No Signal
MR 0313 – Crankshaft Position Sensor: incorrect polarity.
MR 0408 – Camshaft Position Sensor, short to ground
MR 0409 – Camshaft Position Sensor, Electrical Break
MR 0412 – Camshaft Position Sensor: No Signal
MR 0413 – Camshaft Position Sensor: Wrong Polarity
MR 0530 – Overspeed
MR 0612 – There is no signal ‘fan speed’.
MR 0631 – Fan speed is too low.
MR 0722 – Temperature after the catalyst is too high.
MR 0782 – No catalyst.
MR 0788 – The temperature in front of the catalyst is too high (threshold value 1 is exceeded).
MR 0789 – The temperature in front of the catalyst is too high (threshold 2 is exceeded).
MR 0797 – The temperature in front of the catalyst is too high (reduced engine power).
MR 0815 – The temperature sensor in front of the catalyst has an open circuit or short to positive.
MR 0816 – The temperature sensor in front of the catalyst has a short to ground.
MR 0915 – The temperature sensor behind the catalyst has an open circuit or short to positive.
MR 0916 – The temperature sensor behind the catalyst has a short to ground.
MR 1015 – Oil temperature sensor has exceeded the measurement range (short to positive, circuit break).
MR 1016 – Oil temperature sensor has not reached the minimum value of the measurement range (short circuit to ground).
MR 1115 – Fuel temperature sensor has exceeded the measurement range (short circuit to positive, electrical circuit break).
MR 1116 – Fuel temperature sensor has not reached the minimum value of the measurement range (short circuit to ground).
MR 1215 – Combined sensor над Charge pressure and charge air temperature ’: temperature sensor, measurement range exceeded (short to positive, electrical circuit disconnection)
MR 1216 – Combined sensor над Charging pressure and charge air temperature ’: temperature sensor, measurement range not reached (short to ground)
MR 1315 – Atmospheric pressure sensor, measurement range exceeded (short circuit to positive, electrical circuit break).
MR 1316 – Atmospheric pressure sensor, not reached the minimum value of the measurement range (short circuit to ground).
MR 1415 – Combined sensor над Charge pressure and charge air temperature ’: pressure sensor, measurement range exceeded (short to positive, electrical circuit disconnection)

MR 1416 – Combined sensor над Boost pressure and charge air temperature ’: pressure sensor, the minimum of the measuring range is not reached (short to ground)
MR 1417 – Combined sensor над charge pressure and discharge air temperature ’: pressure sensor, measured value unreliable
MR 1515 – Coolant temperature sensor, measurement range exceeded (short to positive, electrical circuit break).
MR 1516 – coolant temperature sensor, the minimum value of the measurement range is not reached (short circuit to ground).
MR 1615 – Oil pressure sensor, measurement range exceeded (short circuit to positive, electrical circuit break).
MR 1616 – Oil pressure sensor, not reached the minimum value of the measuring range (short circuit to ground).
MR 1617 – Oil pressure sensor, the measured value is unreliable
MR 1715 – Combined input: measurement range exceeded
MR 1716 – Combined input: the minimum of the measuring range is not reached
MR 1717 – Combo Input: Invalid Signal
MR 1818 – Discharge circuit defective
MR 1820 – Boost Pressure Exceeded
MR 1822 – Discharge air temperature exceeded
MR 1873 – Turbocharger speed has impaired uniform motion.
MR 1874 – Deviation of the setpoint for adjusting the pressure of the forced air is too large.
MR 1876 – Boost pressure for braking mode is not enough.
MR 1878 – Discharge circuit defective
MR 1917 – The measured value of the fuel pressure sensor is unreliable.
MR 2017 – The measured value of the oil pressure sensor is unreliable.
MR 2020 – Oil pressure too low.
MR 2021 – Oil pressure too low.
MR 2026 – Engine oil level too high or too low.
MR 2122 – Coolant temperature too high.
MR 2219 – Terminal 15 of the MR or FR control unit has an electrical break.
MR 2319 – Terminal 50 of the MR or FR control unit has an electrical circuit break.
MR 2415 – Differential fuel pressure sensor has a circuit break.
MR 2416 – Differential fuel pressure sensor has a short to positive, ground.

MR 2509 – Oil level sensor: electrical circuit break
MR 2515 – Oil level sensor, short to positive, measuring range exceeded
MR 2516 – Oil level sensor, short to ground, not reaching the minimum of the measuring range
MR 2517 – Oil level sensor: the measured value is unreliable
MR 2612 – Turbocharger speed sensor has a circuit break, short to ground, short to positive.
MR 2615 – Turbocharger speed sensor has a short circuit to positive, a circuit break.
MR 2616 – Turbocharger speed sensor has a short to ground.
MR 2712 – No generator speed signal (timeout). Or Turbocharger speed sensor has a circuit break, short to ground, short to positive (turbocharger 2).
MR 2804 – NOx sensor has a communication fault.
MR 2815 – NOx sensor has a short to positive, a circuit break.
MR 2816 – NOx sensor has a short to ground.
MR 2971 – Too high emission of nitrogen oxides (1 threshold value exceeded)
MR 2972 ​​- Emission of nitrogen oxides too high (2 threshold value exceeded)
MR 3015 – Fuel Pressure Sensor, measurement range exceeded (short to positive, circuit break)
MR 3016 – Fuel pressure sensor, the measurement range minimum is not reached (short to ground)
MR 3115 – The charge air temperature sensor 2 has a circuit break.
MR 3116 – The charge air temperature sensor 2 has a short circuit.
MR 3215 – The exhaust gas temperature sensor has an electrical break.
MR 3216 – The exhaust gas temperature sensor has a short circuit.
MR 3332 – Recirculating exhaust gas temperature sensor: value outside the specified range.
MR 3415 – Air humidity sensor has a short circuit to positive, a circuit break.
MR 3416 – Air humidity sensor has a short to ground.
MR 3515 – Air temperature sensor has a short circuit to positive, a circuit break.
MR 3516 – Air temperature sensor has a short to ground.
MR 3604 – No message CAN Air temperature ’.
MR 3617 – The measured value of the ambient temperature sensor is unreliable.
MR 3706 – The SCR compressed air activation valve has a short to ground.
MR 3707 – The SCR compressed air on valve has a short to positive.
MR 3709 – The SCR compressed air activation valve has an electrical circuit break.
MR 3817 – The measured values ​​of the temperature sensors on the catalyst are unreliable.
MR 3906 – AdBlue pump has a short to ground.
MR 3907 – AdBlue pump has a short to positive.
MR 3909 – The AdBlue pump has a circuit break.
MR 4024 – Internal error in the control unit

MR 4034 – Internal error in the control unit
MR 4035 – Internal error in control unit
MR 4036 – Internal error in the control unit
MR 4037 – Internal error in the control unit
MR 4038 – Internal Error in Control Unit
MR 4039 – Starter control (output stage) defective
MR 4040 – Internal Error in Control Unit
MR 4041 – Internal error in control unit
MR 4047 – Internal error in the control unit
MR 4048 – Internal error in the control unit
MR 4049 – Invalid parameterization of proportional valves
MR 4050 – Internal error in the control unit
MR 4051 – Internal error in the control unit
MR 4052 – Internal error in the control unit
MR 4053 – Internal error in the control unit
MR 4054 – Internal error in the control unit
MR 4056 – Internal error in the control unit
MR 4058 – The data block in the MR engine control unit (PLD) has been changed.
MR 4092 – Internal error in the control unit
MR 4149 – The engine brake is parameterized incorrectly.
MR 4200 – Proportional valve 5 has a short circuit to positive.
MR 4201 – Proportional valve 5 has a short to ground.
MR 4202 – Proportional valve 7 has a short to ground.
MR 4203 – Proportional valve 7 has a circuit break.
MR 4204 – Proportional valve 7 has a short to positive.
MR 4205 – The throttle position sensor has a short to positive, an electrical circuit.
MR 4206 – The throttle position sensor has a short to ground.
MR 4207 – The temperature sensor in front of the diesel oxidation catalyst has a short circuit to positive, a circuit break.
MR 4208 – A temperature sensor in front of a diesel oxidation catalyst has a short to ground.
MR 4209 – The temperature sensor behind the diesel oxidation catalyst has a short circuit to positive, a circuit break.
MR 4210 – A temperature sensor behind a diesel oxidation catalyst has a short to ground.
MR 4211 – The differential pressure sensor in front of the particulate filter has a short circuit to positive, an electrical circuit break.
MR 4212 – The differential pressure sensor in front of the particulate filter has a short to ground.
MR 4213 – The differential pressure sensor behind the diesel particulate filter has a short circuit to positive, an electrical circuit break.
MR 4214 – The differential pressure sensor behind the particulate filter has a short to ground.
MR 4215 – Differential pressure in the particulate filter is too large.
MR 4216 – Differential pressure in the particulate filter is too low.
MR 4217 – Throttle adjustment deviation too large.
MR 4218 – Initial installation of the throttle valve failed.
MR 4219 – The diffuser in the dispenser AdBlue clogged.
MR 4220 – Dispenser Contaminated
MR 4221 – Heated diffuser has a circuit break.
MR 4222 – The heating of the diffuser has a short to ground.
MR 4223 – The heating of the diffuser has a short to positive.
MR 4224 – Internal error in the control unit
MR 4225 – Proportional valve row 1 has a short to positive.
MR 4226 – Proportional valve row 1 has a short to ground.
MR 4227 – Internal malfunction of the control unit
MR 4228 – Missing SORT components.
MR 4229 – The measured value of the temperature sensors SORT (pair A) is unreliable.
MR 4230 – The measured value of the temperature sensors SORT (pair B) is unreliable.
MR 4231 – Particulate filter not installed.
MR 4232 – The measured value of the differential pressure sensor in front of the particulate filter is unreliable.

MR 4233 – The measured value of the differential pressure sensor after the particulate filter is unreliable.
MR 4234 – Nitrogen oxides emission too high due to unknown cause (2 threshold value exceeded)
MR 4235 – Nitrogen oxides emissions are too high due to low AdBlue quality.
MR 4236 – Too high nitrogen oxides due to insufficient dosing of AdBlue
MR 4237 – The measured NOx sensor value is invalid.
MR 4238 – The temperature in the particulate filter is too low.
MR 4239 – Sensor unit 1 in the MR control unit has a short circuit.
MR 4240 – Sensor unit 2 in the MR control unit has a short circuit.
MR 4241 – Sensor unit 1 in the SCR module on the frame is short-circuited.
MR 4242 – Sensor unit 2 in the SCR module on the frame is short-circuited.
MR 4243 – The sensor unit 3 in the SCR module on the frame is short-circuited.
MR 4244 – NOx Sensor Malfunction
MR 4245 – Faulty construction unit ‘NOx sensor’.
MR 4246 – Initial nitrogen oxide emissions too high
MR 4247 – Faulty structural unit ‘catalyst’.
MR 4248 – Poor AdBlue Quality or Insufficient AdBlue Dosing
MR 4249 – Nitrogen oxides too high
MR 4415 – The differential pressure sensor in front of the diesel particulate filter has a short circuit to positive, an electrical circuit break.
MR 4416 – The differential pressure sensor in front of the particulate filter has a short to ground.
MR 4805 – Pump nozzle row 1 has a short to positive.
MR 4806 – Return pump injectors row 1 has a short to ground.
MR 4905 – The pump nozzle of row 2 has a short circuit to positive.
MR 4906 – Return pump injectors row 2 has a short to ground.
MR 5026 – Pump-nozzle cylinder 1: the valve does not open
MR 5027 – Pump-nozzle cylinder 1: control failure
MR 5028 – Pump-nozzle cylinder 1: short circuit
MR 5126 – Pump-nozzle cylinder 2: the valve does not open
MR 5127 – Pump-nozzle cylinder 2: control failure
MR 5128 – Pump-nozzle cylinder 2: short circuit
MR 5226 – Pump-nozzle cylinder 3: the valve does not open
MR 5227 – Cylinder 3 Nozzle Pump: Control Fault
MR 5228 – Pump-nozzle cylinder 3: short circuit
MR 5326 – Pump-nozzle cylinder 4: the valve does not open
MR 5327 – Pump-nozzle cylinder 4: control failure
MR 5328 – Pump-nozzle cylinder 4: short circuit
MR 5426 – Pump-nozzle cylinder 5: the valve does not open
MR 5427 – Pump-nozzle cylinder 5: control failure
MR 5428 – Pump nozzle cylinder 5: short circuit
MR 5526 – Pump-nozzle cylinder 6: the valve does not open
MR 5527 – Cylinder 6 Nozzle Pump: Control Fault
MR 5528 – Pump nozzle cylinder 6: short circuit
MR 5626 – Pump-nozzle cylinder 7: the valve does not open
MR 5627 – Cylinder 7 Nozzle Pump: Control Fault
MR 5628 – Pump-nozzle cylinder 7: short circuit
MR 5726 – Pump-nozzle cylinder 8: the valve does not open
MR 5727 – Cylinder 8 Nozzle Pump: Control Fault
MR 5728 – Pump-nozzle cylinder 8: short circuit
MR 5806 – AdBlue pipeline heating has a short to ground.
MR 5807 – AdBlue pipeline heating has a short to positive.
MR 5809 – The heated AdBlue pipeline has a break in the electrical circuit.
MR 5869 – AdBlue pipeline heating is defective.
MR 5906 – AdBlue tank preheat solenoid valve has a short to ground.
MR 5907 – AdBlue tank preheat solenoid valve has a short to positive.
MR 5909 – The AdBlue pre-heating solenoid valve has a circuit break.
MR 5969 – AdBlue tank preheat valve defective.
MR 6015 – AdBlue level sensor has a short to positive, a circuit break.
MR 6016 – AdBlue level sensor has a short to ground.
MR 6029 – AdBlue tank fill level is too low.
MR 6115 – AdBlue tank temperature sensor has a short circuit to positive, a circuit break.
MR 6116 – AdBlue tank temperature sensor has a short to ground.
MR 6169 – Sensor заполнения Fill level / AdBlue tank temperature ’faulty.
MR 6293 – Internal fault in the SCR module on the frame
MR 6327 – The activation of the OBD lamp is broken.
MR 6409 – The heating flange has an electrical circuit break.
MR 6432 – Heated Flange Malfunction
MR 6506 – The oil separator diagnostic cable has a short to ground.
MR 6564 – The oil separator diagnostic wire has a circuit break or short to positive.
MR 6678 – The exhaust gas recirculation valve is faulty.
MR 6679 – The temperature difference between the exhaust gases and the coolant is not significant.

MR 6720 – AdBlue pressure too high.
MR 6721 – AdBlue pressure too low.
MR 6770 – AdBlue pressure drop during pump run-down is too low.
MR 6777 – AdBlue pump current consumption is too high.
MR 6820 – SCR compressed air pressure too high.
MR 6821 – SCR compressed air pressure too low.
MR 6883 – The air supply of the SCR compressed air system is disrupted.
MR 6949 – Parameter Error
MR 6994 – The exhaust gas after-treatment system is disabled and the diagnostic program is active.
MR 6995 – The exhaust gas after-treatment system is disabled and the diagnostic program is active.
MR 7006 – Proportional valve 1 has a short to ground.
MR 7007 – Proportional valve 1 has a short to positive.
MR 7009 – Proportional valve 1 has a circuit break.
MR 7106 – Solenoid valve 3: fan 1 stage has a short to ground.
MR 7107 – Proportional valve 3 has a short to positive.
MR 7109 – Solenoid valve 3: fan stage 1 has a circuit break.
MR 7112 – Solenoid valve 3: fan upshift – no fan speed
MR 7206 – Solenoid valve 4: fan stage 2 has a short to ground.
MR 7207 – Proportional valve 4 has a short to positive.
MR 7209 – Solenoid valve 4: fan stage 2 has a circuit break.
MR 7305 – Solenoid valve 2: decompression valve brake has a short to positive.
MR 7306 – Solenoid valve 2: decompression valve brake has a short to ground.
MR 7307 – Proportional valve 2 has a short to positive.
MR 7309 – Proportional valve 2 has a circuit break.
MR 7317 – Solenoid valve 2: the decompression valve has a break in the electrical circuit or a short to ground.
MR 7405 – Proportional valve 5 has a short to positive.
MR 7408 – Proportional valve 5 has a short to ground.
MR 7542 – Increased battery voltage
MR 7543 – Low battery voltage
MR 7606 – Proportional valve 6 has a short to ground.
MR 7609 – Proportional valve 6 has a circuit break.
MR 7705 – Proportional valve row 1 has a short to positive.
MR 7708 – Proportional valve row 1 has a short to ground.
MR 7805 – Proportional valve row 2 has a short to positive.
MR 7808 – Proportional valve row 2 has a short to ground.
MR 7905 – The proportional valve of a row of the SCR module on the frame has a short circuit to positive.
MR 7908 – Proportional valve series SCR on the frame has a short circuit to ground.
MR 8005 – Terminal 50 to primary relay (short to positive)
MR 8008 – Terminal 50 on primary relay (short to ground)
MR 8009 – Terminal 50 to primary relay (electrical break)
MR 8033 – Faulty control relay
MR 8039 – Starter control (output stage) defective
MR 8086 – There is no starter engagement
MR 8106 – Compressed air shutoff valve SCR has a short to ground.
MR 8107 – Compressed air shutoff valve SCR has a short to positive.
MR 8109 – Compressed Air Shut-off Valve SCR has a circuit break.
MR 8206 – AdBlue dosing valve has a short to ground.
MR 8207 – AdBlue metering valve has a short to positive.
MR 8209 – AdBlue metering valve has a break in the electrical circuit.
MR 8315 – AdBlue temperature sensor has a short to positive, a circuit break.
MR 8316 – AdBlue temperature sensor has a short to ground.
MR 8415 – AdBlue pressure sensor has a short circuit to positive, an electrical circuit.
MR 8416 – AdBlue pressure sensor has a short to ground.
MR 8417 – The measured AdBlue pressure sensor value is unreliable.
MR 8515 – SCR compressed air sensor has a short circuit to positive, a circuit break.
MR 8516 – SCR compressed air sensor has a short to ground.
MR 8517 – The measured value of the SCR compressed air pressure sensor is unreliable.
MR 8690 – AdBlue current consumption is too high.
MR 8691 – AdBlue current consumption is too low.
MR 8790 – The average consumption of AdBlue is too high.
MR 8791 – The average consumption of AdBlue is too low.
MR 8896 – AdBlue Pressure Unreliable.
MR 8906 – Compressed air shutoff valve SCR has a short to ground.
MR 8907 – Compressed air shutoff valve SCR has a short to positive.
MR 8909 – The SCR compressed air shut-off valve has an electrical circuit break.

MR 9044 – Pump-Nozzle cylinder 1: adjust the uniformity of idling in the area of ​​limitation
MR 9045 – Pump-injector of cylinder 1: correction for individual cylinders in the restricted area
MR 9144 – Pump-nozzle cylinder 2: adjustment of the idling uniformity in the area of ​​limitation
MR 9145 – Pump nozzle cylinder 2: correction for individual cylinders in the restricted area
MR 9244 – Pump-nozzle cylinder 3: adjust the uniformity of idling in the area of ​​limitation
MR 9245 – Cylinder 3 injector pump: correction for individual cylinders in the restricted area
MR 9344 – Pump-nozzle cylinder 4: adjust the uniformity of idling in the area of ​​limitation
MR 9345 – Pump nozzle cylinder 4: correction for individual cylinders in the restricted area
MR 9444 – Pump-nozzle cylinder 5: adjust the uniformity of idling in the area of ​​limitation
MR 9445 – Pump nozzle cylinder 5: correction for individual cylinders in the restricted area
MR 9544 – Pump-nozzle cylinder 6: adjust the uniformity of idling in the area of ​​limitation
MR 9545 – Pump nozzle cylinder 6: correction for individual cylinders in the restricted area
MR 9645 – Pump nozzle cylinder 7; correction for individual cylinders in the restricted area
MR 9744 – Pump-nozzle cylinder 8: adjust the uniformity of idling in the area of ​​limitation
MR 9745 – Pump-nozzle cylinder 8; correction for individual cylinders in the restricted area
MR 9846 – Correction failure on individual cylinders
MR 9960 – Too many keys
MR 9961 – The protective function of the immobilizer is activated, the MR control unit is blocked
MR 9962 – The protective function of the immobilizer is activated in the MR unit
MR 9963 – The transponder code is missing on the engine data bus
MR 9964 – Transponder code is missing at terminal 50
MR 9965 – Inappropriate transponder key

0100 CAN-High connection on the FR system is faulty
0101 CAN-Low connection on the FR system is faulty
0102 Data from the FR control unit contains an error.
0104 CAN connection to the FR system is faulty
0149 CAN parameterization error
0308 crankshaft position sensor: short to ground
0309 Crankshaft Position Sensor: Open
0310 crankshaft position sensor: signal too low
0311 crankshaft position sensor: synchronization of signals from the crankshaft and camshaft
contains an error
0312 crankshaft position sensor: no signal
0313 crankshaft position sensor: polarity reversed
0408 Camshaft Position Sensor: Short to Ground
0409 Camshaft Position Sensor: Open
0412 Camshaft Position Sensor: No Signal
0413 Camshaft position sensor: polarity reversed
0530 Overspeed
1015 Oil temperature sensor: measuring range exceeded (short to positive, open)
1016 Oil temperature sensor: measuring range is not reached (short to ground)
1115 Fuel temperature sensor: measuring range exceeded (short to positive, open)
1116 Fuel temperature sensor: measuring range is not reached (short to ground)
1215 Boost air temperature sensor: measurement range exceeded (short to positive,
break)
1216 Charge air temperature sensor: measuring range not reached (short to ground)
1315 Atmospheric pressure sensor: measurement range exceeded (short to positive, open)
1316 Atmospheric pressure sensor: measuring range not reached (short to ground)
1415 Charge air pressure sensor: measurement range exceeded (short to positive,
break)
1416 Charge air pressure sensor: measuring range not reached (short to ground)
1417 Charge air pressure sensor: Measured parameter contains an error
1515 Coolant temperature sensor: measurement range exceeded (short circuit to
plus break)
1516 Coolant temperature sensor: Measurement range is not reached (short circuit to
mass)
1615 Oil pressure sensor: measuring range exceeded (short to positive, open)
1616 Oil pressure sensor: measuring range not reached (short to ground)
1617 Oil pressure sensor: the measured parameter is not reliable
1818 Loop circuit faulty

1820 Air pressure boost too high
1822 boost air temperature exceeded
1873 Turbocharger rotational speed has timing error.
1875 Air pressure deviation boost too large
1876 ​​boost pressure for braking not achieved
2020 Oil pressure too low
2026 Engine oil level too high or too low.
2122 Coolant temperature too high
2219 Terminal 15 of MR or FR control unit is open
2319 Terminal 50 of MR or FR control unit is open
2415 The fuel pressure difference sensor is open.
2416 The fuel pressure difference sensor has a short to positive short to earth
2509 Oil level sensor: open
2515 Oil level sensor: short to positive, measuring range exceeded
2516 Oil level sensor: short to earth; measuring range not reached
2517 Oil level sensor: measured parameter unreliable
2612 Turbine speed sensor has an open circuit, short circuit to positive, short circuit to
mass
2712 Turbine speed sensor has an open circuit, short circuit to positive, short circuit to
mass (turbine 2)
3015 Fuel Pressure Sensor: measurement range exceeded (short to positive, open)
3016 Fuel Pressure Sensor: The measuring range is not reached (short to ground)
4024-4048 Internal error in the control unit
4049 Invalid parameterization for proportional valve
4050-4056 Internal error in the control unit
4058 The data set in the MR control unit was subject to change.
4805 One of the first row plunger pumps has a short to positive
4806 Feedback The first row plunger pump has a short to ground
4905 One of the second row plunger pumps has a short to positive
4906 Feedback plunger pump second row has a short to ground
5026 Cylinder 1 plunger pump: valve not flow
5027 Cylinder 1 plunger pump: excitation fault
5028 Plunger pump cylinder 1: short circuit
5126 Plunger pump cylinder 2: valve does not have flow
5127 Plunger pump cylinder 2: excitation failure
5128 Plunger pump cylinder 2: short circuit
5226 Cylinder 3 Plunger Pump: Valve has no flow
5227 Cylinder 3 plunger pump: excitation fault
5228 Plunger pump cylinder 3: short circuit
5326 Plunger pump of cylinder 4: valve does not have flow
5327 Plunger pump of cylinder 4: excitation fault
5328 Plunger pump cylinder 4: short circuit
5426 Plunger pump of cylinder 5: valve not supplied
5427 Plunger pump cylinder 5: excitation failure
5428 Plunger pump cylinder 5: short circuit
5526 Cylinder 6 Plunger Pump: Valve has no flow
5527 Cylinder 6 Plunger Pump: Excitation Fault
5528 Cylinder 6 Plunger Pump: Short Circuit
5626 Cylinder 7 Plunger Pump: Valve has no flow
5627 Cylinder 7 Plunger Pump: Excitation Fault
5628 Plunger pump cylinder 7: short circuit
5726 Cylinder 8 Plunger Pump: Valve has no flow
5727 Cylinder 8 Plunger Pump: Excitation Fault
5728 Cylinder 8 Plunger Pump: Short Circuit

6409 heating flange has a break
6506 Diagnostic cable of the oil separator has a short to ground
6564 Diagnostic cable of oil separator has open circuit, short circuit to positive
7006 Magnetic valve 1: turbocharger adjustment (short to ground)
7007 Proportional valve 1 has a short to positive
7009 Magnetic valve 1: turbocharger adjustment (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 is open
7112 Magnetic valve 3: fan drive with increased power, 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 is open
7305 Solenoid valve 2: decompression valve brake has a short to positive
7306 Solenoid valve 2: decompression valve brake has a short to ground
7307 Proportional valve 2 has a short to positive
7309 Proportional valve 2 is open.
7317 Solenoid valve 2: brake with decompression valve has open or short to ground
7405 Proportional valve 5 has a short to positive
7408 Proportional valve 5 has a short to ground.
7542 Battery voltage too high
7543 Battery voltage too low
7609 Proportional valve 6 is open
7705 The first row proportional valve has a short to positive
7708 The first row proportional valve has a short to ground
7805 Proportional valve of the second row has a short circuit to positive
7808 Proportional valve of the second row has a short circuit to ground
8005 Starter relay terminal 50 (short to positive)
8008 Starter relay terminal 50 (short to ground)
8009 Starter relay terminal 50 (open)
8033 Starter relay defective, mechanically freezes.
8039 Starter excitation (final stage) defective.
8086 Starter is not engaged
9044 Cylinder 1 Plunger Pump: Idle Calm Adjustment Limited
9045 Plunger pump cylinder 1: single cylinder leveling limited
9144 Plunger pump cylinder 2: idling adjustment at idle limited
9145 Plunger pump cylinder 2: single cylinder leveling limited
9244 Plunger pump cylinder 3: idling adjustment at idle is limited
9245 Cylinder Piston Pump 3: Single cylinder leveling limited
9344 Cylinder 4 plunger pump: idling adjustment at idle limited
9345 Plunger pump for cylinder 4: single cylinder leveling limited
9444 Plunger pump cylinder 5: idling adjustment at idle is limited
9445 Plunger pump for cylinder 5: single cylinder leveling limited
9544 Cylinder 6 Plunger Pump: Idle Calm Adjustment Limited
9545 Cylinder 6 Plunger Pump: Single cylinder leveling limited
9644 Plunger pump of the cylinder 7: adjustment of a quiet condition at idle is limited
9645 Cylinder 7 Plunger Pump: Single cylinder leveling limited
9744 Cylinder 8 Plunger Pump: Idle Calm Adjustment Limited

9745 Cylinder 8 Plunger Pump: Single cylinder leveling limited
9846 Sudden stop of the alignment of a single cylinder
9960 Excessive key count
9961 Protective function to prevent unauthorized starting of the engine is activated, the unit
MR controls blocked
9962 Unauthorized launch blocking in MR system activated
9963 No transponder code transmission on the engine CAN bus
9964 No transponder code transmission through terminal 50
9965 Wrong transponder key