Fault code list for engine control (MR) control unit · ad0019n9019ea · Mercedes-Benz WIS

AD00.19-N-9019EA

Fault code list for engine control (MR) control unit

11.1.08

MODEL 374.5 /6, 375.3 /4, 940, 942, 943, 944

MODEL 950.5 /6, 952.5 /6, 953.6, 954.5 with BODY 940.890

MODEL 958.2 /4

Fault code	Fault code description
0100	CAN-H link to FR drive control faulty
0101	CAN-L link to FR drive control faulty
0102	Data from control unit FR drive control faulty
0104	CAN link to FR drive control faulty
0149	CAN parameterizing error
0204	CAN High line to SCR frame module (Euro 4 or Euro 5) is defective.
0308	Crankshaft position sensorShort circuit to ground
0309	Crankshaft position sensorOpen circuit
0310	Crankshaft position sensor, signal too low
0311	Crankshaft position sensor, assignment of crankshaft and camshaft signal is errored.
0312	Crankshaft position sensor, no signal
0313	Crankshaft position sensor has incorrect polarity.
0408	Camshaft position sensorShort circuit to ground
0409	Camshaft position sensorOpen circuit
0412	Camshaft position sensor, no signal
0413	Camshaft position sensor incorrect polarity
0530	Engine overspeed
0612	No signal 'Fan speed'.
0631	The fan rpm is too low.
0722	Temperature downstream of catalytic converter is too high.
0782	Catalytic converter is not present.
0788	Temperature upstream of catalytic converter is too high (threshold 1 exceeded).
0789	Temperature upstream of catalytic converter is too high (threshold 2 exceeded).
0797	Temperature upstream of catalytic converter is too high (reduced engine output).
0815	Temperature sensor upstream of catalytic converter has Short circuit to positive,Open circuit.
0816	Temperature sensor upstream of catalytic converter has Short circuit to ground.
0915	Temperature sensor downstream of catalytic converter has Short circuit to positive,Open circuit.
0916	Temperature sensor downstream of catalytic converter has Short circuit to ground.
1015	Oil temperature sensor has gone above measuring range (Short circuit to positive, Open circuit).
1016	Oil temperature sensor has gone below measuring range (Short circuit to ground).
1115	Fuel temperature sensor, above measuring range ( Short circuit to positive Open circuit)
1116	Fuel temperature sensor, below measuring range ( Short circuit to ground)
1215	'Charge pressure and charge air temperature' combination sensor: temperature sensor, above measured range (Short circuit to positive Open circuit)
1216	'Charge pressure and charge air temperature' combination sensor: temperature sensor, below measured range (Short circuit to ground)
1315	Atmospheric pressure sensor, above measuring range ( Short circuit to positive Open circuit)
1316	Atmospheric pressure sensor, below measuring range ( Short circuit to ground)
1415	'Charge pressure and charge air temperature' combination sensor: pressure sensor, above measured range (Short circuit to positive Open circuit)
1416	'Charge pressure and charge air temperature' combination sensor: pressure sensor, below measured range (Short circuit to ground)
1417	'Charge pressure and charge air temperature' combination sensor: pressure sensor, measured value implausible
1515	Coolant temperature sensor, above measuring range ( Short circuit to positive Open circuit)
1516	Coolant temperature sensor, below measuring range ( Short circuit to ground)
1615	Oil pressure sensor, above measuring range ( Short circuit to positive Open circuit)
1616	Oil pressure sensor, measuring range not reached (Short circuit to ground)
1617	Oil pressure sensor, measured value implausible
1715	Kombieingang: Meßbereich überschritten
1716	Kombieingang: Meßbereich unterschritten
1717	Kombieingang: Signal unplausibel
1818	Boost circuit faulty
1820	Boost pressure too high
1822	Boost air temperature exceeded
1873	Turbocharger-Vehicle speed has synchronization fault.
1874	Manipulated variable deviation of boost pressure control is too great.
1875	Charge pressure deviation is too large.
1876	The charge pressure for braking operation is not reached.
1878	Boost circuit faulty
1917	Measured value of fuel pressure sensor is implausible.
2017	Measured value of oil pressure sensor is implausible.
2020	Oil pressure is too low.
2021	Oil pressure is too low.
2026	The engine oil level is too high or too low.
2122	Coolant temperature is too high.
2219	Terminal 15 of control unit MR or FR has Open circuit.
2319	Terminal 50 of control unit MR or FR has Open circuit.
2415	The differential fuel pressure sensor has Open circuit.
2416	The differential fuel pressure sensor has Short circuit to positive,Short circuit to ground.
2509	Oil level sensorOpen circuit
2515	Oil level sensor Short circuit to positive, measuring range exceeded
2516	Oil level sensor Short circuit to ground, measuring range not reached
2517	Oil level sensor , readout implausible
2612	The turbocharger rpm sensor has Open circuit,Short circuit to positive,Short circuit to ground.
2615	The turbocharger rpm sensor has Short circuit to positive,Open circuit.
2616	The turbocharger rpm sensor has Short circuit to ground.
2712	The rpm signal from the alternator is missing (timeout). or The turbocharger rpm sensor has Open circuit,Short circuit to positive,Short circuit to ground.(Turbocharger2)
2804	The NOx sensor has a communication fault.
2815	The NOx sensor has Short circuit to positive,Open circuit.
2816	The NOx sensor has Short circuit to ground.
2971	Excessive nitrogen oxide emission (threshold 1 exceeded)
2972	Excessive nitrogen oxide emission (threshold 2 exceeded)
3015	Fuel pressure sensor, above measuring range ( Short circuit to positive Open circuit)
3016	Fuel pressure sensor, below measuring range ( Short circuit to ground)
3115	Charge air temperature sensor 2 has Open circuit.
3116	Charge air temperature sensor 2 has Short circuit.
3215	Exhaust gas recirculation temperature sensor has Open circuit.
3216	Exhaust gas recirculation temperature sensor has Short circuit.
3332	Exhaust gas recirculation temperature is outside the specified value range.
3415	Air humidity sensor has Short circuit to positive,Open circuit.
3416	Air humidity sensor has Short circuit to ground.
3515	Air temperature sensor has Short circuit to positive,Open circuit.
3516	Air temperature sensor has Short circuit to ground.
3604	CAN message 'Air temperature' is missing.
3617	Measurement value from ambient air temperature sensor is implausible.
3706	The SCR compressed air switching valve has Short circuit to ground.
3707	The SCR compressed air switching valve has Short circuit to positive.
3709	The SCR compressed air switching valve has Open circuit.
3817	Measured values of temperature sensors at catalytic converter are implausible.
3906	AdBlue pump has Short circuit to ground.
3907	AdBlue pump has Short circuit to positive.
3909	AdBlue pump has Open circuit.
4024	Internal fault in control unit
4034	Internal fault in control unit
4035	Internal fault in control unit
4036	Internal fault in control unit
4037	Internal fault in control unit
4038	Internal fault in control unit
4039	Starter actuation (output stage) faulty
4040	Internal fault in control unit
4041	Internal fault in control unit
4047	Internal fault in control unit
4048	Internal fault in control unit
4049	Invalid parameterization for proportioning valves
4050	Internal fault in control unit
4051	Internal fault in control unit
4052	Internal fault in control unit
4053	Internal fault in control unit
4054	Internal fault in control unit
4056	Internal fault in control unit
4058	The data record in control module MR engine control (PLD) has been manipulated.
4092	Internal fault in control unit
4149	Engine brake is incorrectly parameterized.
4200	Proportioning valve 5 has Short circuit to positive.
4201	Proportioning valve 5 has Short circuit to ground.
4202	Proportioning valve 7 has Short circuit to ground.
4203	Proportioning valve 7 has Open circuit.
4204	Proportioning valve 7 has Short circuit to positive.
4205	The position sensor of the throttle valve has Short circuit to positive,Open circuit.
4206	The position sensor of the throttle valve has Short circuit to ground.
4207	The temperature sensor upstream of the diesel oxidation catalytic converter has Short circuit to positive,Open circuit.
4208	The temperature sensor upstream of the diesel oxidation catalytic converter has Short circuit to ground.
4209	The temperature sensor downstream of the diesel oxidation catalytic converter has Short circuit to positive,Open circuit.
4210	The temperature sensor downstream of the diesel oxidation catalytic converter has Short circuit to ground.
4211	The differential pressure sensor upstream of the diesel particulate filter has Short circuit to positive,Open circuit.
4212	The differential pressure sensor upstream of the diesel particulate filter has Short circuit to ground.
4213	The differential pressure sensor downstream of the diesel particulate filter has Short circuit to positive,Open circuit.
4214	The differential pressure sensor downstream of the diesel particulate filter has Short circuit to ground.
4215	The pressure differential in the diesel particulate filter is too high.
4216	The pressure differential in the diesel particulate filter is too low.
4217	The control deviation of the throttle valve is too high.
4218	The throttle valve reference cycle failed.
4219	The diffusor in the AdBlue metering unit is clogged.
4220	The compressed air duct below the SCR compressed air sensor is clogged.
4221	The diffusor heater has Open circuit.
4222	The diffusor heater has Short circuit to ground.
4223	The diffusor heater has Short circuit to positive.
4224	Internal fault in control unit
4225	The proportioning valve bank 1 has Short circuit to positive.
4226	The proportioning valve bank 1 has Short circuit to ground.
4227	Internal control module error
4228	SCRT-Komponente nicht vorhanden.
4229	Messwert der SCRT-Temperatursensoren (Paar A) ist unplausibel.
4230	Messwert der SCRT-Temperatursensoren (Paar B) ist unplausibel.
4231	No diesel particulate filter is installed.
4232	The measurement value of the differential pressure sensor upstream of the diesel particulate filter is implausible.
4233	The measurement value of the differential pressure sensor downstream of the diesel particulate filter is implausible.
4234	Excessive nitrogen oxide emission due to unknown cause (threshold 2 exceeded)
4235	Excessive nitrogen oxide emission due to low quality AdBlue
4236	Excessive nitrogen oxide emission due to insufficient AdBlue dosage
4237	The measurement value of the NOx sensor is implausible.
4238	The temperature in the diesel particulate filter is too low.
4239	Sensor bank 1 in control unit MR has a short circuit.
4240	Sensor bank 2 in control unit MR has a short circuit.
4241	Sensor bank 1 in SCR frame module has a short circuit.
4242	Sensor bank 2 in SCR frame module has a short circuit.
4243	Sensor bank 3 in SCR frame module has a short circuit.
4244	FaultNOx sensor
4245	Component 'NOx sensor' is defective.
4246	Excessive untreated nitrogen oxide emission
4247	Component 'Catalytic converter' is defective.
4248	Poor AdBlue quality or insufficient AdBlue dosage
4249	Excessive nitrogen oxide emission
4415	The differential pressure sensor upstream of the diesel particulate filter has Short circuit to positive,Open circuit.
4416	The differential pressure sensor upstream of the diesel particulate filter has Short circuit to ground.