Year of Manufacture *: 2006
Engine Size and Code *: All
( Optional ) Scanner Used: Multiscan
This is one of those problems that ultimately had a simple outcome but seemed to take a lot of effort to get there.
The vehicle came in with the alarm going off at random. Diagnosis of the UCH module gave no relevant codes and live data showed all the closures were being sensed correctly.
A conversation with a Renault Tech revealed that these are fitted with a Cobra alarm, in this case a 7887,basically a Thatcham 2 to 1 upgrade system.The alarm is integral with the siren behind the offside rear trim in the loadspace. There is an LED in the loom that in my case was behind the steelwork. This was put through a hole in the rear trim for future use. We waited for the alarm to go off and the system gave a flash code 3.
It took ages to find the code table for this alarm so here it is:-
1 Doors, bonnet, boot.
2 Additional sensor.
3 Ultrasonics.
4 Attempt to start (ignition key).
6 Tamper mode.
7 Serial line comms error.
Fitted a replacement set of sensors, I only had some Laserline ones but they worked fine.
Simple once you have the information, it just seemed to take ages to find.
Shaun.
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