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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 70



PostPosted: Mon Aug 26, 2019 7:38 pm    Post subject: Cayenne 955 rear parking sensor fault Reply with quote

Hi Chaps, not posted or been on for a while. I decided tonight to finally get round to a fault I have had with the car ever since I bought it last year. The guy who sold it to me said the rear parking sensors worked intermittently and usually didn't work just after he had washed it so he assumed that water was getting in somewhere and causing the fault. Over the last few weeks they now do not work at all and I noticed that the sensor fitted to the most outward position on the drivers side was pushed in slightly. I removed the bumper and checked the wiring for any breakages but all looks fine. I noticed the last sensor that was pushed in was different from all the rest and not a Bosch one so it's obviously been replaced before. I also noticed one of the tabs holding it in was damaged hence the reason it's pushed inwards. Looking at all the others they all have a black zip tie neatly fitted around them holding them in place - this last one didn't. I had a spare OEM sensor so decided to swap out the aftermarket one for this working one. Put it all back together and.............still not working!

Now, when I put the car in reverse I can't hear any of the sensors making the faint ticking sound that I have heard on my other cars. I listened to the front sensors (which work fine) and they don't make a noise either. If there is no ticking does this mean there is no power getting to any of them at the back? I did have the car in for some work at the start of this year in a Porsche specialist and he advised that when he did a diagnostic the car was showing a rear parking sensor fault but can they pinpoint exactly what the fault is from that scan - and the specific sensor or sensors that are the issue? They never noted in my bill that any were faulty. All the sensors looked fine when I inspected them albeit the two outmost ones were caked in dried mud which I cleaned off.

Thanks in advance for any help on what to try next.
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7485
Location: Brighton


PostPosted: Wed Aug 28, 2019 8:36 pm    Post subject: Reply with quote

Sorry for the delay .. i missed this post Sad

I've been told a ticking or lack of it from a sensor indicates a fault with that sensor ..

I'm afraid i just stick a tester on the car and read the fault codes .. it simply says which sensor is faulty .

10 mins with a tester tells you what the fault is basically .

Garage is what i would recommend in this instance to read the codes if you don't have a tester .
_________________
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My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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Cayenne74
Trainee


Joined: 13 Dec 2018
Posts: 70



PostPosted: Wed Aug 28, 2019 8:47 pm    Post subject: Reply with quote

Thanks. Good to know a tester will pinpoint the fault exactly.

Don't require it now however as I sold the car this evening! Put it up for sale yesterday and sold it the day after. Thought it was going to take me months to get it away!
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7485
Location: Brighton


PostPosted: Wed Aug 28, 2019 8:59 pm    Post subject: Reply with quote

i've just read and answered that post .. good luck in the future and don't forget ..Porsche do make some excellent cars .
_________________
.

My Daughter's Crowdfunding has hit the target .

Thank you all so Very much .

She's not going until july 2020 though .



Mechanic

7pm - 9pm

Now At An Indy.
 
  
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