See also: Mercedes Trucks Fault Codes in PDF
Often, malfunctions of trucks occur on the road and it is necessary to understand what this or that malfunction means, because the dashboard often displays only a list of digital fault codes without a description of them.
On Mercedes trucks (such as Actros), the error codes in digital form consist of five digits and look like this: GS 2 3022, where the GS denotes the system in which the malfunction occurred, this is the transmission control system. The following indicates the significance of the malfunction: 0 is not a very serious malfunction, 1 is serious and, if possible, you should try to fix it yourself or contact a service station, 2 means that car operation is prohibited until the malfunction is fixed.
In our example, this is a short circuit in a valve or control wiring circuits on a gearbox. For this reason, the gearbox control unit can burn out, but it costs quite a lot. With this error, the gearbox will not switch, but some craftsmen find a way out here. For example, remove the battery terminals and the box came to life, but this is a temporary measure because there is still a threat that the control unit will burn. The thing is that some faults are periodic, that is, they occur under certain circumstances (wet weather, under load, when driving on a rough road). One way out is timely access to the station, and it is better to write down the error codes immediately on a piece of paper in order to then pay attention to this.
Computer diagnostics Mercedes significantly reduces the time for troubleshooting electrical equipment of a truck, engine, automatic transmission, brake system. The list and error codes of malfunctions, the operating parameters of the various components of the vehicle are displayed on the monitor of the diagnostic computer, all information is compared with the data base for the vehicle’s configuration, and the optimal troubleshooting plan is built on its basis.
Using computer diagnostics, you can:
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