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Old 8th March 2020, 12:31 PM
Longtings Longtings is offline
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Join Date: Dec 2019
Posts: 2
Default Alarm makes no sound at all

I have seen expired batteries for the d3 leaking. It canít find any info on possible faults in the d4
A8L d4 4.2 tdi Euro 6 2014
Night vision, HUD, acc pre sense plus, active side assist, dual panoramic roof, blend remap (jfa)
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Old 8th March 2020, 12:53 PM
steamship's Avatar
steamship steamship is offline
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Join Date: Jun 2013
Location: Londonderry, Northern Ireland
Posts: 2,399

From what I can see, the alarm module used is very similar to the ones forum members have experienced problems with in their D2s and D3s. However, before just replacing it, have you done any sort of diagnosis on it?

For example, you say it makes no sound 'at all'. Do you mean when you lock/unlock the car, or have you deliberately tried to set the alarm off, say by opening the windows, locking the car, waiting a minute and then reaching into the car? Finally, can you get it scanned to see what error codes are being thrown up for the alarm module.

If it's the first option and just not beeping, it can be coded to beep/not beep.

Should you end up having to replace the alarm module, the part number is 1K0951605C (£175), although you can also use 1K0951605F (£163).
2001 A8 D2 FL 3.7 Q - LPG Conversion, Engine: AKC, Gearbox:FBB, Colour:LY5X Aqua Blue pearl effect, Interior:WJ light beige/dark beige valcona leather with burr walnut inserts

My DIY jobs - Replaced alarm horn, Replaced Coolant Temp sensor, Updated RNS-D firmware, Installed Reversing Camera and Digital TV, Dashcam Installation, Retrofitted Rear Blinds, Auto-Dimming Rear View Mirror, Chrome Boot Struts

Sold! 2008 S8 D3 5.2 V10 - Engine: BSM, Gearbox:KLW, Colour:LY7F Suzuka Grey Pearl Effect, Interior:Black/Black with Silver/Black valcona leather with carbon atlas inserts, Bang & Olufsen, Heated windscreen, Soft-close doors, TV, DAB, AMI, Quad Zone, Auto Boot, Auto dim Mirrors, Keyless entry, PDC with rearview camera, AFS II Headlights

My DIY jobs - Fan Jet Windscreen Washers, Retrofitted Electric Side Blinds
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