Hello Muhammad. May I know where r u from ? Im from Malaysia. You can try to replace a new ZBR. I think it cost below RM1000 and send it back to MAN Truck & Bus for settings the ZBR.
SOURCE: I have problem with my MAN truck TGA 33.400 It
EDC 03779-10 = Fuel pressure too low in the common rail.
Start by checking the fuel filters and the likes for deposits or leaks. Then take it to a repair shop and have them check the fuel pump itself. Finally they will have to dismantle the common rail and the injectors to check for abnormal wear.
This is a big job and if the pump will have to be replaced, very expensive.
SOURCE: my man truck show EDC 00637-03 what this
Checkout: http://www.fixya.com/cars/t14951642-fault_code_edc_00637_03_m_n_410
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But before you send it to MAN sc, please try reset it yourself. Unplug the power terminal for 15mins then put it back.
You can try reset it like Kenny says but remove the neg and pos cables and connect them together and switch the truck on.
Leave it on for 30 min or more. Then switch of the truck, put back pos cable and then neg cable. Start up and see if the problem is fixed.
Other thing you try is to remove the speedo cluster and just swop it with a other one if you can get hold of one.
Also check if your eath wires are still sound at the chassis and all earth points. The current could have damaged some of the earth wiring.
Hope it will help.
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