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DEM does not communicate XC90

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Jarin
Posts: 2
Joined: 08 Jun 2023, 12:05
Year and Model: 2006 XC90
Location: Czech rep.

Post by Jarin »

Hello everyone.

I need advice from the experts here, because I don't know what to do and I can't find anything similar to my problem anywhere.
I also bought a Volvo XC90 r.06 2.4 D5
The car drives normally, everything works, the only thing that doesn't work at first is Haldex, ABS and anti-skid.

Diag reports errors:
REM - DD10
ABS - 0094
CEM - 1A64


1. what I found is that there was no power to the DEM - in the REM there was a faulty relay for the power to the DEM and the park. sensors.
Replaced, fixed, power now goes where it's supposed to. The parking sensors still don't work, but at least they are communicating now, as two faulty sensors have started to report.

2. I bought a second DEM for testing but the problem still persists in the same form.
Not a single DEM looks like it has water in it.

Has anyone thought of or encountered something similar?
What else to look at? I'm running out of ideas.

Thanks everyone for the advice :)

Jarin
Posts: 2
Joined: 08 Jun 2023, 12:05
Year and Model: 2006 XC90
Location: Czech rep.

Post by Jarin »

bug found - fixed :mrgreen:

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