List of DTCs of the Frame Level Control System (NR) Control Unit for Mercedes Trucks
See also:
List of fault codes of the Frame Level Control System (NR) Control Unit of such trucks as: Mercedes-Benz Actros/Axor/Atego
0160 IES-CAN Bus: CAN Bus Off
0161 IES-CAN bus: communication break
0162 IES-CAN bus: no speed signal (FR and ABS / BS)
0163 IES-CAN bus: “Service Brake System” signal absent (FR)
0164 IES-CAN: Engine Speed is absent (FR)
0165 IES-CAN bus: “Filling pressure circuit 1” signal is absent (INS)
0166 IES-CAN bus: “Filling pressure circuit 2” signal is absent (INS)
0167 IES-CAN bus: “Power supply signal, Bit information” is absent (INS)
0168 IES-CAN bus: “Power supply, bit information” signal is absent (INS)
OR
IES-CAN bus: The FMR control unit has a validity and no signal error.
OR
IES-CAN: The FR control unit has a validity and no signal error.
0169 IES-CAN bus: Curve recognition is not possible
0170 IES-CAN bus: The set pressure parameter in the brake system is missing
0171 IES-CAN bus: Curve recognition is not possible
1010 Control unit: internal error
1012 Control unit: checksum of specific ECU data
1013 Control unit: checksum parameters
1014 Calibration checksum of displacement sensors is not correct.
1015 Calibration checksum for pressure sensors is not correct.
1016 Calibration checksum for axle load sensors not correct
1017 Check axle load not valid
1101 Overvoltage at terminal 30
1102 Insufficient voltage at terminal 30
1301 Overvoltage at terminal 15
1302 Insufficient voltage at terminal 15
1303 Terminal 15: out of allowable voltage range
OR
Terminal 15: outside the permissible voltage range
2030 Control Panel – Data: Open
2031 Control Panel – Data: Short to Ground
2032 Control Panel – Data: Short to Plus
2130 Control Panel – Clock: Open
2131 Control Panel – Clock: short to ground
2132 Control Panel – Clock: Short to Plus
2230 Control Panel – + Ub: open
2231 Control Panel – + Ub: short to ground
2232 Control Panel – + Ub: short to positive
3020 Solenoid Valve 3/2 Filling: Open
3021 Solenoid Valve 3/2 Filling: Short to Ground
3022 Solenoid valve 3/2 filling: short to positive
3120 Solenoid valve 2/2 drive axle to the left: open
3121 Solenoid valve 2/2 drive axle, left: short to ground
3122 Solenoid valve 2/2 drive axle to the left: short to positive
3220 Solenoid valve 2/2 drive axle right: open
3221 Solenoid valve 2/2 drive axle right: short to ground
3222 Solenoid valve 2/2 drive axle right: short to positive
3320 Solenoid valve 3/3 lowering of the third axis: break
3321 Solenoid valve 3/3 lowering of the third axis: short to ground
3322 Solenoid valve 3/3 lowering of the third axis: short to positive
3420 Solenoid valve 3/3 raising the third axis: breakage
3421 Solenoid valve 3/3 raising the third axis: short to ground
3422 Solenoid valve 3/3 raising the third axis: short to positive
3520 Solenoid valve 2/2 front axle: open
3521 Solenoid valve 2/2 front axle: short to ground
3522 Solenoid valve 2/2 front axle: short to positive
3620 solenoid valve feedback: open circuit
3621 solenoid valve feedback: short circuit to ground
3622 solenoid valve feedback: short to positive
4040 Drive axle displacement sensor on the left: open
4041 Drive axle displacement sensor left: short to ground
4042 Left axle displacement sensor: short to positive
4043 Left axle displacement sensor: fault nominal winding resistance
4140 Drive axle displacement sensor on the right: open
4141 Drive axle displacement sensor, right: short to ground
4142 Drive axle displacement sensor, right: short to positive
4143 Drive axle displacement sensor on the right: fault nominal winding resistance
4240 Front axle displacement sensor: break
4241 Front Axle Displacement Sensor: Short to Ground
4242 Front axle displacement sensor: short to positive
4243 Front axle displacement sensor: fault nominal winding resistance
5040 Drive axle pressure sensor, left: open
5041 Left axle pressure sensor: short to ground
5042 Drive axle pressure sensor, left: short to positive
5140 Drive axle pressure sensor right: open
5141 Drive axle pressure sensor, right: short to ground
5142 Drive axle pressure sensor, right: short to positive
5240 Front Axle Pressure Sensor: Open
5241 Front axle pressure sensor: short to ground
5242 Front axle pressure sensor: short to positive
5340 Pressure sensor + UB: open
5341 Pressure sensor + UB: short to ground
5342 Pressure sensor + UB: short to positive
6020 Electric input to the front axle proportional valve WR has a break
6021 Electric input to the front axle proportional valve WR has a short to ground
6022 Electric input to the front axle proportional valve WR has a short to positive
6023 The set current to the front axle proportional valve WR is not reached.
6120 Electric input to the proportional valve WR 1. The rear axle has an open circuit.
6121 Electric input to the proportional valve WR 1. The rear axle has a short to ground
6122 Electric input to the proportional valve WR 1. The rear axle has a short to positive
6123 The set current per proportional valve WR 1. The rear axle is not reached
6220 Electric input to the proportional valve WR 2. The rear axle has an open circuit.
6221 Electric input to the proportional valve WR 2. The rear axle has a short to ground
6222 Electric input to the proportional valve WR 2. The rear axle has a short to positive
6223 The set current to the proportional valve WR 2. The rear axle is not reached
6320 WR valve feedback is open
6321 WR valve feedback has a short to ground
6322 WR valve feedback has a short to positive
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