Xc90 anti skid fault.

[drumagoo]

Hi all i know im prob covering old topics but need adice on where to start
Bought a 05 xc90 on 133000 miles
Have anti skid message
Replaced battery as had lots of codes and battery was bad
Cleared codes rescaned and now have following codes
Anti lock brakes
0094 comunication between control modules problem with active on demand coupling
0136 brake presure sensor 1 & 2 signal outside permited range
0133 brake persure sensor 2 signal to low
0115 comunication between control modules comuncation problems with stearing angle sensor signal missing

Central control module
1a64 comunication with DEM signal missing

Tyre pressure sensor
0004 siren com fault

REM
parking sensor 2 faulty signal.

Unless parking fault will affect anything else not worried is they work. But plan to tow my cattering trailer so would like to sort abs faults and not sure where to start.
Thanks in advance hoping someone can help...

[SwissXC90]

Unplug the DEM connector (the diff control module, under the car)

Thus can corrode and kill the CAN bus, causing many other problems as devices cannot communicate

After unplugging the DEM, clear all codes and see what returns.

If the DEM is causing trouble, remove and get it refurbished.
Put a plastic bag zip tied over the DEM loom connector to keep it clean and dry while the DEM is out of the vehicle.

[SwissXC90]

Also remember to reset the battery low voltage counters using VIDA.
These track how often the driver let's the battery go low, and helps to diagnose a faulty battery.

[drumagoo]

Thanks for quick reply
Can we drive the car without the dem installed whilst getting it sorted or unpluged..?

[drumagoo]

Well after my own reserch i now know i cant drive it with module out but will it hurt to drive it and tow with it b4 i fix fault as need to ern the money to sort it. Thanks.

[drumagoo]

Hi again this car dosnt like me trying to check all fuses and cleaning them. (Being a **** and not disconect battery) my door locks now are going mad and both rear doors one or other i can hear a cliking until i lock them manualy. And if not a relay click in fuse box in rear quater. And now doors wont unlock or lock centraly..

[SwissXC90]

Read the codes and go from there

The car is a computer.
Without a code reader you are blind.

[drumagoo]

Read codes but door locks went on e i got home and have no reader till wed now and need to lock car and not kill new battery i just got.

[SwissXC90]

Given that you wrote "door locks went on e i got home" sounds like you are at home and the doors are locked, so all is well

[Tannaton]

To answer your earlier question yes you can drive the car with the dem unplugged...