Mercedes Atego WS unit Fault Codes

On: Monday, November 20, 2023 11:40 PM
Mercedes Atego WS unit Fault Codes

The Mercedes Atego WS unit plays a crucial role in the performance of your truck’s suspension system. It is responsible for monitoring and adjusting the air pressure in the suspension bags, ensuring that the vehicle stays stable and comfortable on the road. However, like any other electronic system, it can develop faults that affect its performance. These faults often appear as error codes on the dashboard, which can be challenging to diagnose and fix.

If you’re experiencing problems with your Mercedes Atego WS unit, the first step is to identify the fault codes displayed on the dashboard. Once you’ve identified the codes, it becomes easier to diagnose and fix the underlying issue. In this guide, we’ll explore some common fault codes, their symptoms, causes, and solutions.

One of the most common fault codes in the Mercedes Atego WS unit is C1013. This code indicates a problem with the compressor motor. Symptoms of this fault include a noisy compressor or the compressor failing to start. The main cause of this issue is a faulty compressor motor, which needs to be replaced.

Another common fault code is C1025, which points to a malfunction in the air supply system. This code usually occurs when there is a leak in the air lines, causing the suspension to deflate. Possible causes of this issue include damaged air lines, defective airbags, or a failed solenoid valve.

If you notice a C1000 fault code, it means there is a general fault in the WS unit’s control module. This code often appears alongside other specific fault codes, indicating a problem with the control module itself. In this case, you’ll need to take your Mercedes Atego to an experienced technician for diagnostics and repairs.

In conclusion, troubleshooting fault codes in the Mercedes Atego WS unit requires some technical knowledge and expertise. However, by understanding common issues, symptoms, causes, and solutions, you can identify and fix problems quickly and efficiently. If you’re not confident in your ability to troubleshoot and repair your vehicle, it’s always best to seek professional help from a qualified technician.

ERROR CODESEXAPTATION
0122CAN bus overload
0123Functional failure of the CAN data bus
0132The life cycle data of the WS control unit is incorrect.
0133The parameters of the WS control unit are incorrect.
0135Internal error in the control unit
0138Internal error in the control unit
0139Internal error in the control unit
0150Waiting time for receiving CAN data BU ABS
0151Waiting time for receiving CAN data BU GS
0152Waiting time for receiving CAN data BU FR
0153Waiting time for receiving CAN data CAN data reception BU MR
0154Waiting time for CAN data reception BU RS
0155Waiting time for CAN data reception BU FR
0156Waiting time for CAN data reception BU MR
0157Waiting time for receiving CAN data BU INS
0158Waiting time for receiving CAN data BU BS
0159Waiting time for receiving CAN data BU GS
0201Gearbox oil temperature sensor has a fault “Short circuit to ground”.
0202The measurement range of the gearbox oil temperature sensor has been exceeded.
0205The measured value of the gearbox oil temperature sensor is unreliable.
0210The maximum allowable gearbox oil temperature has been exceeded.
0301The transfer case temperature sensor has a “Short to Ground” fault.
0302The measurement range of the transfer case temperature sensor has been exceeded.
0305The measured value of the transfer case temperature sensor is unreliable.
0310The maximum allowable transfer case oil temperature has been exceeded.
0401The front axle temperature sensor has a “Short to Ground” fault.
0402Front axle temperature sensor measurement range exceeded.
0405The measured value of the front axle temperature sensor is unreliable.
0410The maximum allowable oil temperature of the front axle gearbox has been exceeded.
0501The rear axle temperature sensor has a “Short to Ground” fault.
0502The measurement range of the rear axle temperature sensor has been exceeded.
0505The measured value of the rear axle temperature sensor is unreliable.
0510The maximum permissible oil temperature of the rear axle gearbox has been exceeded.
0601The condensed liquid sensor has a “Short Circuit” to ground fault.
0604The condensed liquid sensor has an “Open Circuit” fault.
0605Invalid measured value of the condensate sensor.
1011Too much difference in brake pad wear between the brakes of the 1st front axle.
1012Too much difference in brake pad wear between the 1st front axle and other axles.
1111Too much difference in brake pad wear between the brakes of the 2nd front axle.
1112Too much difference in brake pad wear between the 2nd front axle and other axles.
1211Too much brake pad wear difference between the brakes of the 1st rear axle.
1212Too much difference in brake pad wear between the 1st rear axle and other axles.
1311Too much difference in brake pad wear between the brakes of the 2nd rear axle.
1312Too much difference in brake pad wear between the 2nd rear axle and other axles.
1401Short circuit of the signal wire of the left brake pad wear sensor of the 1st front axle.
1402The measured wear value of the brake pads of the 1st front axle on the left is above the measuring range.
1403The measured value of the wear of the brake pads of the 1st front axle on the left is below the measuring range.
1404Breakage of the signal wire of the left brake pad wear sensor of the 1st front axle.
1405Invalid measured wear of the brake pads of the 1st front axle on the left.
1420Failure of the CAN signal for wear of the brake pads of the 1st front axle on the left
1501Short circuit of the signal wire of the right brake pad wear sensor of the 1st front axle.
1502The measured wear value of the brake pads of the 1st front axle on the right is above the measurement range.
1503The measured wear value of the brake pads of the 1st front axle on the right is below the measurement range.
1504Breakage of the signal wire of the right brake pad wear sensor of the 1st front axle.
1505Invalid measured wear value of the brake pads of the 1st front axle on the right.
1520Failure of the CAN signal for wear of the brake pads of the 1st front axle on the right
1601Short circuit of the signal wire of the left brake pad wear sensor of the 2nd front axle.
1602The measured wear value of the brake pads of the 2nd front axle on the left is above the measurement range.
1603The measured value of the wear of the brake pads of the 2nd front axle on the left is below the measuring range.
1604Breakage of the signal wire of the left brake pad wear sensor of the 2nd front axle.
1605Invalid measured wear of the brake pads of the 2nd front axle on the left.
1620Failure of the CAN signal for wear of the brake pads of the 2nd front axle on the left
1701Short circuit of the signal wire of the right brake pad wear sensor of the 2nd front axle.
1702The measured wear value of the brake pads of the 2nd front axle on the right is above the measuring range.
1703The measured wear value of the brake pads of the 2nd front axle on the right is below the measuring range.
1704Breakage of the signal wire of the right brake pad wear sensor of the 2nd front axle.
1705Invalid measured wear value of the brake pads of the 2nd front axle on the right.
1720Failure of the CAN signal for brake pad wear of the 2nd front axle on the right
1801Short circuit of the signal wire of the left brake pad wear sensor of the 1st rear axle.
1802The measured wear value of the brake pads of the 1st rear axle on the left is above the measuring range.
1803The measured wear value of the brake pads of the 1st rear axle on the left is below the measuring range.
1804Breakage of the signal wire of the left brake pad wear sensor of the 1st rear axle.
1805Unreliable measured wear value of the brake pads of the 1st rear axle on the left.
1820Failure of the CAN signal for wear of the brake pads of the 1st rear axle on the left
1901Short circuit of the signal wire of the right brake pad wear sensor of the 1st rear axle.
1902The measured wear value of the brake pads of the 1st rear axle on the right is above the measurement range.
1903The measured wear value of the brake pads of the 1st rear axle on the right is below the measuring range.
1904Breakage of the signal wire of the right brake pad wear sensor of the 1st rear axle.
1905Unreliable measured wear value of the brake pads of the 1st rear axle on the right.
1920Failure of the CAN signal for wear of the brake pads of the 1st rear axle on the right .
2001Short circuit of the signal wire of the left brake pad wear sensor of the 2nd rear axle.
2002The measured value of the wear of the brake pads of the 2nd rear axle on the left is above the measuring range.
2003The measured value of the wear of the brake pads of the 2nd rear axle on the left is below the measuring range.
2004Breakage of the signal wire of the left brake pad wear sensor of the 2nd rear axle.
2005Unreliable measured wear value of the brake pads of the 2nd rear axle on the left.
2020Failure of the CAN signal for wear of the brake pads of the 2nd rear axle on the left
2101Short circuit of the signal wire of the right brake pad wear sensor of the 2nd rear axle.
2102The measured wear value of the brake pads of the 2nd rear axle on the right is above the measuring range.
2103The measured wear value of the brake pads of the 2nd rear axle on the right is below the measuring range.
2104Breakage of the signal wire of the right brake pad wear sensor of the 2nd rear axle.
2105Invalid measured wear of the brake pads of the 2nd rear axle on the right.
2120Failure of the CAN signal for wear of the brake pads of the 2nd rear axle on the right
2205Invalid measured value (path signal) of the tachograph.
2320Failure of the CAN signal ‘Residual pressure circuit 1 or 2’ (INS)
3105Invalid speed signal SZ.
3120Failure of the SZ speed signal on CAN
3220Failure of the speed signal on CAN
3320Failure of the engine torque setpoint signal on CAN
3420Failure of the outside air temperature measured value signal on CAN
3520Failure measured value CAN signal dirty air filter
4105Invalid measured oil temperature in the retarder (retarder).
4110The maximum allowable oil temperature in the retarder (retarder) has been exceeded.
4120Failure of the CAN signal of the measured value of the oil temperature in the retarder (retarder)
5105Invalid measured value of the oil temperature in the engine.
5110The maximum allowable oil temperature in the engine has been exceeded.
5113Incorrect engine oil viscosity.
5120Failure of the CAN signal of the measured oil temperature in the engine
5205Invalid measured value of the coolant temperature.
5210The maximum allowable coolant temperature has been exceeded.
5220CAN signal failure of measured coolant temperature value
5320CAN signal failure of fuel consumption measured value
7120CAN signal failure of clutch actual value