![]() | Home > Technical (L405) > pdc/park assit |
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
nobody ?????? |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35479 ![]() ![]() |
sorry, the 'park assist and parking sensors' expert is on holiday at the moment..
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
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 |
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stan Site Moderator Member Since: 13 Jul 2010 Location: a moderate moderated moderator moderating moderately in moderation Posts: 35479 ![]() ![]() |
have you tried manually switching on park assist?
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
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 ???? |
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rryan Member Since: 17 Feb 2024 Location: New Forest Posts: 33 ![]() ![]() ![]() |
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.
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4RRS Member Since: 13 Apr 2022 Location: Crudgington Posts: 251 ![]() ![]() ![]() |
In a word, yes - one faulty sensor will cause both front and rear sensors to be disabled, a DTC should be logged and should identify the faulty sensor, wiring issue etc. When a fault is detected you get a 3 second low tone and the PDC switch led flashes 6 times and then the contact dealer message is displayed. Have you checked with the GAP IID that you can communicate with the PDC ecu etc? Are you checking for just permanent codes only on the GAP tool, if so, try pending codes etc L405 SV Autobiography LWB SDV8, finished in Aston Martin China Grey by ETO division. |
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
right ok thanks i’ll re-check with the gap tool fingers crossed it’s just a faulty sensor |
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
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
How ever all my cameras work so is it a sensor or a pdc control module? Will |
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Stephen.125 Member Since: 25 Jun 2009 Location: Frodsham Posts: 1521 ![]() ![]() |
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?
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4RRS Member Since: 13 Apr 2022 Location: Crudgington Posts: 251 ![]() ![]() ![]() |
I suppose the check would be walk around the car whilst monitoring the values and see if they change.
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will308f Member Since: 19 Apr 2022 Location: plymouth Posts: 457 ![]() ![]() ![]() |
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 |
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4RRS Member Since: 13 Apr 2022 Location: Crudgington Posts: 251 ![]() ![]() ![]() |
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. |
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