Hello Guys and Gals

can anyone help me?

I get the following error in Inpa when I check for codes

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Ecu : D_0056 IFH-0009: NO RESPONSE FROM CONTROLUNIT

I believe this is related to my DXC(bosch 8.0) unit.

I did have the trifecta and I ended up the replacing this unit and reprogramming which got rid of the lights but the actual feel of the driving is strange as it feel like the brakes/transmission/suspension are not in sync...When I drive 1 to 2nd gear seem to struggle then I get random gear changes which causes slight acceleration/deceleration issues...the car also feels less sure footed and suspension a bit bouncy.


I have changed all the suspension parts and performed a tranny oil change so it might be something I have done wrong there also.

I don't get any warning lights but my TPMS comes on randomly which is related to the DXC module and I get no response when i check this function too


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Control unit : Tyre pressure control
ECU : D_0070
JobStatus : IFH-0009: NO RESPONSE FROM CONTROLUNIT
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Any help or pointer would be greatly appreciated.

oh my aux water pump has a short to battery so I am going to disconnect and read the codes again just in case this is screwing up the can bus

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Current:2004 E53 4.8is, Sapphire black, Black Nappa leather, Metallic Graphite trim, 20" , "Fixed"(soon) Pano-roof, Webasto heater , 100k and counting

Recent Changes: Front & rear suspension refresh,fluids ,cv boots,air spings bearings and hubs

Planned Change: Pano-roof, cover gaskets.