Hello, I am asking for help in decoding the error codes EDC 04591 and TCU 00556.

EDC 4591 - boost pressure control. High pressure. Check Pierburg Valve No. 51094130022 TCU 556 - maybe misread, but error 0556 is only assigned to zbr and indicates retarder failure.

Both errors were passive. I was doing nothing. After cancellation, the third week and they do not appear.

[Solved] MAN TGX 480 Euro 6 - Decoding EDC 04591 & TCU 00556 Error Codes - Help Needed

maciej.wojta 59637 2

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#1 17269055 10 Jun 2018 22:33

maciej.wojta maciej.wojta

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Post #1
17269055 10 Jun 2018 22:33

Hello, I am asking for help in decoding the error codes EDC 04591 and TCU 00556.

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#2 17270404 11 Jun 2018 18:51

kakibara kakibara

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Post #2
17270404 11 Jun 2018 18:51

EDC 4591 - boost pressure control. High pressure. Check Pierburg Valve No. 51094130022
TCU 556 - maybe misread, but error 0556 is only assigned to zbr and indicates retarder failure.
#3 17297804 26 Jun 2018 14:31

maciej.wojta maciej.wojta

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Post #3
17297804 26 Jun 2018 14:31

Both errors were passive. I was doing nothing. After cancellation, the third week and they do not appear.
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[Solved] MAN TGX 480 Euro 6 - Decoding EDC 04591 & TCU 00556 Error Codes - Help Needed

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