BMW EDC17C02 EGR HELP

[fytfh]

Hi i switched egr off but after that come light check engine and i see DTC P4C9E and P4501 why? where is the problem?
THANKS 457493457494

[WinWoj]

What is dtc description

[fytfh]

EGR VALVE 4C9E and 4501

[fytfh]

4C9E Exhaust-gas recirculation valve, plausibility
4501: Exhaust Gas Recirculation- Negative Deviation

[fytfh]

nobody help me?

[Dealirio]

Here You Go

http://ul.to/5n5ealwx

Pass after THX and REP

Regards