Tracing Alarm Trigger with VIDA

Moose Test · Jan 20th, 2018, 20:39

Hi,

Does anyone know if the UEM / CEM / relevant module(s) persist the cause of the last alarm activation between lock/unlock/start cycles and whether this can be subsequently accessed via VIDA later? I've had a good look around in VIDA but I don't see any relevant options.

It's a MY 2007, should that make any difference.

TIA.

SwissXC90 · Jan 20th, 2018, 21:06

Alarm is in the REM

Moose Test · Jan 20th, 2018, 21:24

Thanks.

The wiring diagram shows the data path from the siren module as LIN, via the UEM, so I got fixated on finding it there or the CEM.

SwissXC90 · Jan 20th, 2018, 23:21

All door switch and bonnet / boot switches go to the REM, the REM sends them to the UEM via CAN bus and the UEM to the Alarm via LIN bus

owenfackrell · Jan 21st, 2018, 12:04

VIDA definitely will show you the causes of the last alarm activations (3 from memory) but cant remember the exact route to it as it was over a year ago that i use it.

volvo for ever · Jan 21st, 2018, 12:22

im sure it is in the cem look in there for last alarm causes its usually UEM-0004 WHICH IS THE SIREN MODULE

Moose Test · Jan 21st, 2018, 13:32

It is indeed stored in the REM.

Should it be of help to anyone else reading this thread, it is accessed via the "Vehicle Communications" tab and (in my case) was the REM parameter named "Alarm cause 1".

In this case: Mass Movement sensor, rear.

Thanks all.

Jan 20th, 2018, 20:39	#1
Moose Test Master Member Last Online: Today 11:01 Join Date: Sep 2017 Location: Norfolk	Tracing Alarm Trigger with VIDA Hi, Does anyone know if the UEM / CEM / relevant module(s) persist the cause of the last alarm activation between lock/unlock/start cycles and whether this can be subsequently accessed via VIDA later? I've had a good look around in VIDA but I don't see any relevant options. It's a MY 2007, should that make any difference. TIA.

Jan 20th, 2018, 21:06	#2
SwissXC90 Premier Member Last Online: Mar 20th, 2024 18:26 Join Date: Jan 2016 Location: Cross Country	Alarm is in the REM __________________ XC90 R-Design MY2009, Black Sapphire Metallic. HP-Sound, RSE, Nav, Tel, ParkingCam, BLIS, ParkingHeater, RestHeat, Removable Towbar, Summer: CRATUS 20x8 on Pirelli Scorpion Zeros 255/45, Winter: NEPTUNE 17x7 on Continental WinterContact 4x4 235/65.

Jan 20th, 2018, 23:21	#4
SwissXC90 Premier Member Last Online: Mar 20th, 2024 18:26 Join Date: Jan 2016 Location: Cross Country	All door switch and bonnet / boot switches go to the REM, the REM sends them to the UEM via CAN bus and the UEM to the Alarm via LIN bus __________________ XC90 R-Design MY2009, Black Sapphire Metallic. HP-Sound, RSE, Nav, Tel, ParkingCam, BLIS, ParkingHeater, RestHeat, Removable Towbar, Summer: CRATUS 20x8 on Pirelli Scorpion Zeros 255/45, Winter: NEPTUNE 17x7 on Continental WinterContact 4x4 235/65.

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Jan 20th, 2018, 21:24	#3
Moose Test Master Member Last Online: Today 11:01 Join Date: Sep 2017 Location: Norfolk	Thanks. The wiring diagram shows the data path from the siren module as LIN, via the UEM, so I got fixated on finding it there or the CEM.

Jan 21st, 2018, 12:04	#5
owenfackrell Premier Member Last Online: Feb 4th, 2024 19:04 Join Date: Dec 2009 Location: southampton	VIDA definitely will show you the causes of the last alarm activations (3 from memory) but cant remember the exact route to it as it was over a year ago that i use it.

Jan 21st, 2018, 12:22	#6
volvo for ever Premier Member Last Online: Feb 4th, 2023 15:10 Join Date: Apr 2015 Location: uk	im sure it is in the cem look in there for last alarm causes its usually UEM-0004 WHICH IS THE SIREN MODULE

Jan 21st, 2018, 13:32	#7
Moose Test Master Member Last Online: Today 11:01 Join Date: Sep 2017 Location: Norfolk	It is indeed stored in the REM. Should it be of help to anyone else reading this thread, it is accessed via the "Vehicle Communications" tab and (in my case) was the REM parameter named "Alarm cause 1". In this case: Mass Movement sensor, rear. Thanks all.

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