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Sondergard
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Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Thu Oct 24, 2019 7:27 pm    Post subject: Tons of fail codes - 997.1 tiptronic Reply with quote

Hi

Have anyone tried to get following fail codes at same time?

8981 Can-Bus connection to combi instrument (dashboard I believe)
9730 Power supply for magnet valve
8707 Sensor N3
9227 Can-bus/diagnostic cable from ECU

Its translated from Danish so it might not be correct translated (Sorry)

The codes are now there after changing speedsensor 0261 210 248 which was failing before. It all started with one day when the car went into emergency run in the gearbox. I stopped the car and it disapeared again.
After a couple of days with situations where the car went into emergency run again. Then it suddenly got stuck in "emergency run " mode.

i took it to the nearest garage in second gear (not a Porsche dealer)
I had a read out that the sensor was failing.
So we changed the sensors and got all these failures.

Any ideas about what to do.
The car is currently at a non Porsche specialist so Id like to help him as much as possible.

Thanks in advance from DK

Bet regards Ricky Sondergard
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Thu Oct 24, 2019 7:44 pm    Post subject: Reply with quote

Is this car a cab ?

Have you jump started the car recently ?

Why did you change the crank position sensor .. was there a starting fault ? or a breakdown with the car not starting when hot ?

The codes are mainly about communication faults between control units .. water ingress .. rear carpets damp is one thing to check ..

What actual sensors have been replaced .. gearbox speed sensors ?

A few questions and i can look into it further tomorrow .. im afraid im only here till 9pm .. 7-9pm to be correct and i think i may have to work hard on this fault Smile
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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Thu Oct 24, 2019 7:51 pm    Post subject: Reply with quote

deMort wrote:
Is this car a cab ?

Have you jump started the car recently ?

Why did you change the crank position sensor .. was there a starting fault ? or a breakdown with the car not starting when hot ?

The codes are mainly about communication faults between control units .. water ingress .. rear carpets damp is one thing to check ..

What actual sensors have been replaced .. gearbox speed sensors ?

A few questions and i can look into it further tomorrow .. im afraid im only here till 9pm .. 7-9pm to be correct and i think i may have to work hard on this fault Smile


No its not been jump started.
I took off the plus on the battery to see if I could clear the "emergency run mode" thats all.
I had it at a Porsche dealer and he said - change the speedsensor as it is reporting to have faults
It was reading:
P0715 Input/turbine Speed Sensor "A" circuit (Signal implausible)

Rearcarpets must be checked - these havent been checked
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Thu Oct 24, 2019 7:58 pm    Post subject: Reply with quote

Ok im afraid i have to log off now but i will study the codes tomorrow night ..


An unusual fault i feel .. sorry i can't answer now ... i have limited time on here .. sigh .
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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Thu Oct 24, 2019 8:04 pm    Post subject: Reply with quote

deMort wrote:
Ok im afraid i have to log off now but i will study the codes tomorrow night ..


An unusual fault i feel .. sorry i can't answer now ... i have limited time on here .. sigh .


No worries - thanks a lot for your contribution so far..

It sounds a bit like water in connectors or something

Note: We only changed that one sensor (crank sensor)
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Fri Oct 25, 2019 6:19 pm    Post subject: Reply with quote

Ok i've done some searching and i'm afraid none of the codes you have listed seem to be correct for the car , there should be a P code .. ie P0715 .. so i can't help with them .. but ..

Your description of the original problem is a tiptronic fault ..

I'm giving advise on what the Porsche dealer said and that code ..

P0715 Input/turbine Speed Sensor "A" circuit (Signal implausible)

This is a speed sensor inside the gearbox .. Not the crank angle sensor that the garage has replaced .

The gearbox monitors the input and output shaft speeds .. sensors N2 and N3 .. it is seeing a fault with N3 hence the original fault code P0715.

I have found info on that and it's in the images below... you need to test the items in the images .
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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 .



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Now At An Indy.
 



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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Fri Oct 25, 2019 6:57 pm    Post subject: Reply with quote

deMort wrote:
Ok i've done some searching and i'm afraid none of the codes you have listed seem to be correct for the car , there should be a P code .. ie P0715 .. so i can't help with them .. but ..

Your description of the original problem is a tiptronic fault ..

I'm giving advise on what the Porsche dealer said and that code ..

P0715 Input/turbine Speed Sensor "A" circuit (Signal implausible)

This is a speed sensor inside the gearbox .. Not the crank angle sensor that the garage has replaced .

The gearbox monitors the input and output shaft speeds .. sensors N2 and N3 .. it is seeing a fault with N3 hence the original fault code P0715.

I have found info on that and it's in the images below... you need to test the items in the images .


Hi Demort
This is really great info.
Thanks a lot🙌

I purchased the speedsensor from info I was given by searching on the web.
That sensor which are related to gearbox - do you know the part no. For this?
And do you read the same as me (complete conductor plate should be changed?)
Br
Ricky
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Fri Oct 25, 2019 7:13 pm    Post subject: Reply with quote

The crank sensor basically has nothing to do with your fault .. the conductor plate has been mentioned here several times for faults like this .. people have replaced it and fixed N2 / N3 faults .

I don't know part numbers im afraid .. i just fix these cars Smile

It still needs checking though .. you have a control unit and wiring that can cause this so not just a conductor plate .
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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 .



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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Fri Oct 25, 2019 7:26 pm    Post subject: Reply with quote

deMort wrote:
The crank sensor basically has nothing to do with your fault .. the conductor plate has been mentioned here several times for faults like this .. people have replaced it and fixed N2 / N3 faults .

I don't know part numbers im afraid .. i just fix these cars Smile

It still needs checking though .. you have a control unit and wiring that can cause this so not just a conductor plate .


Yes thats right - and since there are that many CAN-bus failures. Then it could be related to wiring for sure.
Again thanks - its a great help.
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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Fri Oct 25, 2019 7:28 pm    Post subject: Reply with quote

Sondergard wrote:
deMort wrote:
The crank sensor basically has nothing to do with your fault .. the conductor plate has been mentioned here several times for faults like this .. people have replaced it and fixed N2 / N3 faults .

I don't know part numbers im afraid .. i just fix these cars Smile

It still needs checking though .. you have a control unit and wiring that can cause this so not just a conductor plate .


Yes thats right - and since there are that many CAN-bus failures. Then it could be related to wiring for sure.
Again thanks - its a great help.

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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Fri Oct 25, 2019 7:43 pm    Post subject: Reply with quote

Do you have a coolant gauge error where it drops to zero and the red light flashes as well after about 15 mins of driving?

It's only that the codes listed would indicate the electronic valve on the gearbox that switches the oil cooler on and off would appear to be faulty .

Last set of fault codes and there is nothing i can find on them im afraid .. first image and they are P codes . i can help with them .

Can bus though is the communication from one control unit to another .. think of a ring with every control unit connected to it .. they all talk in binary code ..

Thats 011100110 escentialy for each signal .. a fault code indicates one of the control units is not seeing this message .

Atm i feel this is a seperate or a non existent fault .. your original fault is a tiptronic gearbox fault with a single sensor in the box having a signal that the control unit does not understand .

Work on that problem first .


Only the top fault code seems active .. the rest can be cleared and a road test will see if they come back .

Piwis is what i use so the garage has the correct equipment .
_________________
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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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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Fri Oct 25, 2019 7:52 pm    Post subject: Reply with quote

deMort wrote:
Do you have a coolant gauge error where it drops to zero and the red light flashes as well after about 15 mins of driving?

It's only that the codes listed would indicate the electronic valve on the gearbox that switches the oil cooler on and off would appear to be faulty .

Last set of fault codes and there is nothing i can find on them im afraid ..

Can bus though is the communication from one control unit to another .. think of a ring with every control unit connected to it .. they all talk in binary code ..

Thats 011100110 escentialy for each signal .. a fault code indicates one of the control units is not seeing this message .

Atm i feel this is a seperate or a non existent fault .. your original fault is a tiptronic gearbox fault with a single sensor in the box having a signal that the control unit does not understand .

Work on that problem first .


Only the top fault code seems active .. the rest can be cleared and a road test will see if they come back .

Piwis is what i use so the garage has the correct equipment .


Yes
I had the fault with coolant where it drops to zero.
It says the termostat is stuck in “open” position.
Both temp sensor and termostat will be changed.

We will fix the gearbox sensor first
Thanks a lot🙌
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Sat Oct 26, 2019 4:29 pm    Post subject: Reply with quote

It will more than likely be the electric valve shown in the picture thats faulty .. remove it and if you can blow through the pipes on it then it is faulty .

I changed one today for this exact problem.

left side of the gearbox.
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My Daughter's Crowdfunding has hit the target .

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She's not going until july 2020 though .



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Sondergard
Newbie


Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Sun Oct 27, 2019 5:42 pm    Post subject: Reply with quote

deMort wrote:
It will more than likely be the electric valve shown in the picture thats faulty .. remove it and if you can blow through the pipes on it then it is faulty .

I changed one today for this exact problem.

left side of the gearbox.


Thanks a lot
The garage will hopefully check it tomorrow as I've now sent them the information. worship
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Sun Oct 27, 2019 6:05 pm    Post subject: Reply with quote

The above valve is for the coolant problem only .. Not the gearbox speed sensor Smile
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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 .



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Phil 997
Le Mans
Le Mans


Joined: 05 Dec 2015
Posts: 15566
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Oct 27, 2019 6:16 pm    Post subject: Reply with quote

Ricky, keep us posted on progress. Its interesting to follow your problems and I hope you get them sorted . Thumb
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Sondergard
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Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Sun Oct 27, 2019 6:59 pm    Post subject: Reply with quote

Phil 997 wrote:
Ricky, keep us posted on progress. Its interesting to follow your problems and I hope you get them sorted . Thumb

Yes for sure...
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Sondergard
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Joined: 24 Oct 2019
Posts: 21
Location: Denmark


PostPosted: Wed Nov 06, 2019 7:13 pm    Post subject: Reply with quote

Conductor plate changed (plus Oil etc)
Changes gear a lot better than before - stays out of limp mode.
So problem with Tiptronic limp mode solved.
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Sondergard
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Posts: 21
Location: Denmark


PostPosted: Fri Nov 22, 2019 12:56 pm    Post subject: Coolant problem. Reply with quote

Now I have run the car for a few weeks - and gearbox problem is solved. Thats great.
Coolant problem is partly solved.
I dont have problems anymore on the valve (change the discvalve)
Only thing the car is suffering from now, is lack of hot air.
Airtemp is not as hot as it should be, even after a proper warm up.
Im wondering if there is any stucked air in the system or if the heater core is blocked in some way.

Any good wy to secure that there is no air in the system for the heater?
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7581
Location: Brighton


PostPosted: Fri Nov 22, 2019 7:45 pm    Post subject: Reply with quote

Can i just confirm .. you changed the valve i listed a few posts back and no longer have any coolant warning messages ?

when driving the car does the coolant temp stay at 80 or does it drop to say 60 on a long run ?

Air locks usually mean no heat and possible overheating of the engine .. low coolant level in the bottle etc .. unless the system had been drained then this is unlikely .

What sort of temps are you driving in there ? i'm assuming it's colder than us atm .

If you put the setting on max heat then is it hot or is it still a bit cold ?
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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 .



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Now At An Indy.
 
  
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