... codes:

BCM-0094 Communication between control units Communication problem with DEM

BCM-0109 ... CEM-1A64 Communication with AOC control module signal missing

CEM-9C03 Antenna/light ring signal missing

MP2-0003 6 Disc CD changer internal fault

UEM-0004 Siren communication fault

UEM-0005 ...

... reported "CEM-DD1B - Communication with SCM control module Signal missing" (SCM = Siren Control Module)

But SURPRISE! The siren is not up above the passenger-side wheel well (alternatively "behind the passenger-side headlight") as it has been for the v70s and other "P2" pre-Ford cars.

So, here's the ...

... ECM-2AIA REAR OXYGEN SENSOR
Per VIDA- The control module checks the rear heated oxygen sensor (HO2S) dynamics. The control module checks that the probe has registered both lean and rich fuel ... traction control being disabled.

UEM-0004 SIREN, UEM-0005 SUNROOF
I’ll guess that your siren ...

... W/AYC-SENSOR; SIGNAL MISSING

UEM-0004 SIREN
UEM-0005 SUNROOF

ICM-DC02/ CONTROL MODULE COMMUNICATION; MISSING
ICM-DC01/ CONTROL MODULE COMMUNICATION; FAULTY SIGNAL

... for the replies.
I will be disconnecting the siren when I am under there replacing the cv axle ... it's connection to the sunroof.

The sunroof module fuse 34 is good

Seatbelt reminder works, Unknown if garage door buttons work, Climate control works fine.

As for the dome lights, they start to ...

... codes as far as the lights go)

Removed alarm siren, cut open, replaced siren battery, circuit ... the left side information screen about alarm module service or any other codes there.

If I press ... Have you tried unplugging the siren control module and then seeing if the sunroof works ...

... BCM-0094
Definition: Communication Between Control Modules. Communication Problems with the (DEM)
Description: Note! The diagnostic trouble code (DTC) applies only to cars with all-wheel drive (AWD ... selector module (GSM).


UEM-0004
Definition: Siren. Communication Fault
Description: The upper ...

... with an aftermarket DICE diagnostic interface module to be used with Volvo's VIDA diagnostic ... with the popup dash screen and remote control; I don't believe I have a DVD for the ... manual reset, using VIDA, battery reset); alarm/siren module needs replaced like they all do ...

... with leather seats, sunroof, automatic climate control, built in child boosters, back up sensors ... replaced (Moog, serviceable)

150,140 alarm siren module replaced

150,940 evap leak repaired, smoke tested

155,734 airbag replaced

156,000 new rear brakes including calipers

Asking price is $5800 ...

Hello garye

I figured out that my upper control module (uem) the resistor was bad

I confirm your UEM was dead. It did not answer to diagnostic tool commands even on the bench. I had to extract data from chip with direct connection to it. Also your replacement UEM is ok, I programmed it used your ...