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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Tue Aug 20, 2019 11:42 am    Post subject: Reversing Lights and Parking Sensors Not Working Reply with quote

Hi only a couple of niggles on my new (to me) 02 996 Carrera....apparently Parking sensors where working up until very recently and they even failed to show any error codes during a PPI.

But now they are definitely not working...I guess the first thing to check would be the Fuse box as I’ve read the Reverse Lights also power the sensors but I can’t find on the diagram any fuse for these.

So does anyone have any suggestions on how to proceed to get them both working.

Thanks in advance for any advice David
 
  
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Rosselder83
Newbie


Joined: 01 Apr 2019
Posts: 44



PostPosted: Tue Aug 20, 2019 11:46 am    Post subject: Reply with quote

I had a similar issue on my turbo and it was down to the gearbox switch. It was constantly open so my parking snesors and lights were on all the time.

Yours might be the opposite. Switch was about £30 from Porsche
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16682
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Aug 20, 2019 12:01 pm    Post subject: Reply with quote

Faulty reverse switch. Located on top of the front end of the gearbox.
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Tue Aug 20, 2019 12:49 pm    Post subject: Reply with quote

Thanks for the replies...Is that an easy DIY job or do you need lifts/jacks etc to get at the switch?
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16682
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Aug 20, 2019 1:41 pm    Post subject: Reply with quote

You need the rear lifted or on home ramps, remove the undertray and you can disconnect and undo the switch.
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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Tue Aug 20, 2019 6:15 pm    Post subject: Reply with quote

Does this look like the correct one ? My car is a Tiptronic if that makes any difference.

https://www.ebay.co.uk/itm/FAE-40830-Rear-Reverse-Light-Reversing-Switch-Electrical-Replacement-Spare/351928947626?fits=Car+Make%3APorsche%7CModel%3A911%7CCars+Type%3A3.6+Carrera%7CPlat_Gen%3A996%7CCars+Year%3A2002%7CVariant%3A996+%5B1997-2005%5D+Coupe&epid=1544110307&hash=item51f09993aa:g:jaMAAOSwrg1bXBf6
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16682
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Aug 20, 2019 6:17 pm    Post subject: Reply with quote

That's for a manual. I don't know anything about the tip one.
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16682
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Aug 20, 2019 6:28 pm    Post subject: Reply with quote

Read this: https://rennlist.com/forums/996-turbo-forum/627828-reverse-light-switch-on-tiptronic-trans.html
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7183
Location: Brighton


PostPosted: Tue Aug 20, 2019 6:37 pm    Post subject: Reply with quote

https://www.design911.co.uk/fu/prod133116/Porsche-996-Tiptronic-Cars-ONLY-Reverse-light-switch-99661321210/

https://www.ebay.co.uk/itm/Porsche-996-Tiptronic-Reversing-Switch-987-997-Reversing-Switch-99661321210/293187878082?hash=item44435bfcc2:g:t9MAAOSwA~ddVBdu

Fuse B5

Might not be the switch though .. there are wiring plugs and indeed wiring that might cause an issue .

Make a signature and put car details in it please .. tip / manual are very different on things like this .
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Thank you all so Very much .

She's not going until july 2020 though .



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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Tue Aug 20, 2019 7:25 pm    Post subject: Reply with quote

Thanks that’s really helpful...and I can save buying jack and stands until next month.

Reading that forum piece it sounds like you can repair the original unit, if it’s beyond repair I can then order replacement part.

Obviously I will check fuse first and see if I can spot any loose wires under the rear bumper to eliminate those potential causes.

There’s some really really helpful people on this site and all of the advice is much appreciated. It’s been about 20 years since I did any work on cars so I’m looking forward to having a go again.
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Porsche Seal Grey 996 Carrera 02 Tiptronic
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7183
Location: Brighton


PostPosted: Tue Aug 20, 2019 7:32 pm    Post subject: Reply with quote

Moko wrote:
Thanks that’s really helpful...and I can save buying jack and stands until next month.

Reading that forum piece it sounds like you can repair the original unit, if it’s beyond repair I can then order replacement part.

Obviously I will check fuse first and see if I can spot any loose wires under the rear bumper to eliminate those potential causes.

There’s some really really helpful people on this site and all of the advice is much appreciated. It’s been about 20 years since I did any work on cars so I’m looking forward to having a go again.




Dust off those overhauls and get working young man Very Happy
_________________
.

My Daughter's Crowdfunding has hit the target see Here

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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911munKy
Montreal


Joined: 26 Nov 2014
Posts: 537



PostPosted: Tue Aug 20, 2019 9:09 pm    Post subject: Reply with quote

CAUTION!

Both of my reversing lights stopped working and when I tried to replace the switch I found the switch nut (possibly non original?) was made of a plastic that had become brittle and also the internal metal screw thread had corroded into the gearbox resulting in the body of the switch crumbling when I attempted to remove it.
Next day was MOT time (apparently you don’t need reversing lights for an MOT) and the tester said the underside of my car was covered in gearbox oil, I’ve now had to plug the switch hole with a metal putty as I can’t get sufficient access to repair it until the gearbox is dropped and I don’t plan to do that until the clutch needs replacing which could be years away.
I’m without reversing lights now so I’ll have to rig up a manual override switch when I get time.
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2000 C2 996
 
  
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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Sat Aug 31, 2019 10:20 am    Post subject: Reply with quote

Hi Guys I’ve managed to get the Center console out which wasn’t too difficult apart from the fact that I had to move the gear stick from Neutral when I was manoeuvring the central console.

Now I’m onto the testing stage but for some reason I can’t move the gearstick at all....I’ve taken the top knob off of it to remove trim but I would have thought you should still be able to move it into R or N.

Any ideas what to do....car still starts as battery is connected but just can’t move Tiptronic gear stick.
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Porsche Seal Grey 996 Carrera 02 Tiptronic
 
  
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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Sat Aug 31, 2019 2:14 pm    Post subject: Reply with quote

So the answer how to get gearstick to move is to put it back together again....who could have guessed Surprised

Once the switch is out I just took it apart and then gave it a blast of contact cleaner and a light rub with emery paper. Slightly bending the copper strips so they are closer together I think also helped.

Just gave it a trial fit and both the reverse lights and sensors now working Very Happy

Now it’s time to put the console and trim back neatly in place.

Thanks to all the helpful replies and advice here I have saved a nice little amount and have the satisfaction of doing it myself.
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Porsche Seal Grey 996 Carrera 02 Tiptronic
 
  
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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Sat Aug 31, 2019 4:32 pm    Post subject: Reply with quote

Right new problem car will go into P, Reverse and Neutral but not into Drive.

Anyone have any suggestions what I’ve reassembled wrong....I thought at first it might be the triangular plastic part with the spring but I’ve checked with photos I took as it all came apart and it looks correct.

So what else should I be doing earlier before I started putting all the trim and console back in everything seemed to be working ok?

Thanks as always for any advice
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Porsche Seal Grey 996 Carrera 02 Tiptronic
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7183
Location: Brighton


PostPosted: Sat Aug 31, 2019 6:43 pm    Post subject: Reply with quote

The black plastic part that sticks out of the top with the gear knob removed is what pushes down and releases the lock mechanism .. foot on the brake / ign on .. knob off and you just press it down .


If the plastic black tab .. looks like a triangle is in the wrong place you wont get all gears as its jammed .

This is the part that sits under the top panel and at the base of the gear rod stick .. move it around until you can press it down .. its there to cover the hole when you move it into manual if that helps.

Trust me .. its this part as i did the same on Friday .. no drive !!

Post a picture of it if still stuck .
_________________
.

My Daughter's Crowdfunding has hit the target see Here

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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Moko
Newbie


Joined: 12 May 2019
Posts: 47
Location: London


PostPosted: Sat Aug 31, 2019 8:35 pm    Post subject: Reply with quote

Thanks...yep just had to take apart a few times and move the plastic triangle to find the correct position until it finally went into all the gears.

It actually now seems to move smoother than before and having reversing lights and parking sensors is bonus Very Happy
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