hi guys
new to the l405 (ex l322 owner) my park assist and parking sensors don't work ,i have no error codes using the gap tool ,so at the mo im a bit lost anybody point in a direction would be great
thanks will

nobody ??????

sorry, the 'park assist and parking sensors' expert is on holiday at the moment..

have you done a forum search? ... - .- -.




Y. O. L. O.
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Fingers crossed they will be back soon …..yea I did but not a lot about these problems ,what’s confusing is that there is no error codes reversing camera works as dose the kerb views just no front or rear parking sensors or park assist so weird

have you tried manually switching on park assist?

the owners manual says that if theres a fault you will hear a high pitched note sounding...

also have a look in the workshop manual because i believe there's a troubleshooting section there..

and is there an on/off in the menus anywhere? ... - .- -.




Y. O. L. O.
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do you what i wouldn’t be surprised if it was as simple as them been switched off as there is no error codes just the long tone and message saying to contact dealer

right tried to enable pdc but no change ...can one faulty sensor stop them all working and if so wouldn't it show an error code using the gap tool ????

This is me just thinking out loud as I had trouble with the sensors on an old BMW of mine. I had one faulty sensor which turned the whole system off. To determine the faulty sensor I manually turned them on via the button inside and, putting your ear close to each sensor outside, you could hear a faint clicking sound from the working ones. No feedback at all from the faulty one. Swapped this out and the system came to life.

I’m assuming the systems are completely different but I guess it’s an idea to try. 2009 facelift L322 3.6 TDV8 - Buckingham Blue

will308f wrote:

right tried to enable pdc but no change ...can one faulty sensor stop them all working and if so wouldn't it show an error code using the gap tool ????

right ok thanks i’ll re-check with the gap tool fingers crossed it’s just a faulty sensor

Ok had a chance to look at this again,disconnected battery for a minute to clear everything re-scanned with gap tool and now showing these error codes

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maybe a coincidence, but 255 seems like an error (it's 8 x 1's in a 1 Byte register) Wondering if it's the module?

It may well just be that the maximum discernible distance is 2.55m... Formerly happymadison1978

I suppose the check would be walk around the car whilst monitoring the values and see if they change.

So, just checked my car, same spec, surround cameras and auto park and it does indeed default to a max of 2.55m but do change as something moves into the detection range.

HTH L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.

yea not sure if 2.55 is the max distance of the sensors,but i’m thinking it is the module seen some for sale on ebay so may get one of them even just to rule it out

Do you get the error tone and message not available visit dealer or does all seem normal? L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division.