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Ryad58
Newbie


Joined: 05 Jan 2016
Posts: 10



PostPosted: Tue Jan 05, 2016 9:32 pm    Post subject: PSM Failure, ABS Failure, Drive off Assistant failure - Reply with quote

hi guys, first time posting on this site.

Tried to start my 997 tonight and got a whole list of error messages:
Drive off Assistant failure
PSM Failure
ABS Failure
Dynamic cornering light failure
Headlight beam adjustment faulty

A bit of background. I fired up the car on Sunday from cold. 10 seconds later I got a coolant level low warning message and the water temp gauge went to Red and started flashing. I switched off the engine straight away. Looked at the coolant tank, the level was indeed low.

I topped up the coolant today, it took around 3 litres (1.5lt of coolant, 1.5lt of water) and is now in the middle. I then tried to start the engine and that's when i got that long list of messages above and the engine wouldn't start. I can't easily check the battery fluid level, but all other fluid levels are in the correct range.

The car is an 08 plate, 997 Gen 2 C2S which I bought 4 months ago.

Has anyone else had or heard of this problem before? Any recommendation on what it could be? I don't know if the coolant issue was just a red herring or not.

Any help is greatly appreciated.
Thank you guys
 
  
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Zingari
Donnington
Donnington


Joined: 25 Oct 2009
Posts: 12899
Location: Cheshire

1993 Porsche 964 Anniversary

PostPosted: Tue Jan 05, 2016 10:26 pm    Post subject: Reply with quote

Have you lost any coolant? Any evidence on the floor etc? If there's no trace outside its gone somewhere. Also I've never seen a water temp gauge shoot straight to red in 10s unless its completely empty or electrical.

Never seen those faults and it sounds 'electric' related so until its hooked up to PIWIS to interrogate the faults could it be water damage to ECU/Circuits under the seats Dont know

One other thought what's the battery like - well charged and leads secure?

4 months old. When was the last service, who by (OPC or Indy dealer) and any warranty come with it.

997.2 are known to be a solid platform over the 997.1 but I would't advise driving it without some expert diagnosis
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Jcx
Estoril


Joined: 15 Aug 2013
Posts: 3876


2010 Porsche 997 Turbo

PostPosted: Tue Jan 05, 2016 10:34 pm    Post subject: Reply with quote

Good advice from Zingari. I didn't know you had a serious and sensible side Z Wink.

Welcome Ryad, I hope you find a good solution.
 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16681
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Jan 05, 2016 10:41 pm    Post subject: Reply with quote

When was the last time you checked you coolant, cos 3 litres is a hell of a lot to be down??

As for the messages on your dash, could just be your battery that needs charging and the low voltage has triggered something. Did it struggle turning it over with the starter?
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2000 Manual 996 C4 Arctic Silver Convertible


 
  
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Alex
Le Mans
Le Mans


Joined: 06 Mar 2014
Posts: 16681
Location: The Ribble Valley, Lancashire

2000 Porsche 996 Carrera 4

PostPosted: Tue Jan 05, 2016 10:55 pm    Post subject: Reply with quote

Also, have you had your battery disconnected??

If I remember correctly, page 263 of your owner's manual states something like:

After the battery is connected or after an exhaustively
discharged battery is charged, the multifunctional
PSM light lights up on the instrument
panel and a message appears on the on-board
computer to indicate a fault.
This fault can be remedied with a few simple
steps:
1. Start the engine.
2. With the vehicle stationary, perform a few
steering movements to the left and right and
then drive a short distance in a straight line
until the multifunctinal PSM light goes out and
the message on the on-board computer
disappears.
3. If the warnings do not disappear, then:
Drive carefully to the nearest authorized
Porsche dealer.
Have the fault remedied.
4. After the warnings disappear:
Stop the vehicle in a suitable place.



Take it for a spin round the block and that should clear it.
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Zingari
Donnington
Donnington


Joined: 25 Oct 2009
Posts: 12899
Location: Cheshire

1993 Porsche 964 Anniversary

PostPosted: Tue Jan 05, 2016 10:59 pm    Post subject: Reply with quote

Jcx wrote:
Good advice from Zingari. I didn't know you had a serious and sensible side Z Wink.


I'm working here pro bono nooo If TPMS failure pops up or escaping air I'd welcome your involvement Thumb

OP - Welcome aboard chum Thumb Lots of advice here and start with the easiest - the battery.
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Ryad58
Newbie


Joined: 05 Jan 2016
Posts: 10



PostPosted: Thu Jan 07, 2016 7:02 pm    Post subject: thanks Reply with quote

Thanks guys. yep you all alluded to a flat battery and that's what i was thinking/hoping. And no, no evidence of a coolant leak, it's still at the level i left it at and no tell-tale puddles!

I called my dealer and he's convinced it's a flat battery too. It's just odd why I got those error messages, i guess it makes sense that the sensors need power, although the headlights and the internal lights and even the air con seems to work with the key in i suppose there is some charge in the battery, but not enough for it to turn over.

So I will jump start the car and take it for a long drive Very Happy

I will do that on Saturday morning and i'll let you know how i get on.

One question though, I read somewhere that you should only jump start cars with similar sized engines....my misses has a 1.5. What do you think???
 
  
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deMort
Dijon


Joined: 21 Mar 2015
Posts: 7161
Location: Brighton


PostPosted: Thu Jan 07, 2016 7:18 pm    Post subject: Reply with quote

The messages are what i would expect with a flat/low battery .. those systems are all safety related and if the control units get approx 10 volts or less then messgaes will start to get flaged up . Things like a/c blower can still run on lower voltage as can interior lights etc.

There are other possibilites if its not a flat battery but no point listing them all untill a flat battery is confirmed.

The bigger problem is the coolant level , there is no way it could loose that amount without a leak , it may well not have lost any coolant after you filled it but you have not yet started and run the car to operateing temp.

I would advise jump starting the car and leave it running up to temp while you keep an eye out for leaks.
 
  
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Glenn Cairns
Newbie


Joined: 21 Dec 2015
Posts: 8



PostPosted: Thu Jan 07, 2016 7:18 pm    Post subject: Reply with quote

I think you should buy her a new car.
 
  
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pancobalt
Spa-Francorchamps


Joined: 02 May 2015
Posts: 282
Location: surrey


PostPosted: Sun Jan 10, 2016 9:32 pm    Post subject: Reply with quote

So how did you get on with the jump start ? Error messages gone ? Check your rads for leaks , the system will not displace any coolant until the engine is running and up to temperature . Ie pressure in the system.
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2005 c2s blue.
 
  
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askgeez
Barcelona


Joined: 05 Apr 2015
Posts: 1481
Location: Essex


PostPosted: Sun Jan 10, 2016 10:14 pm    Post subject: Reply with quote

Even before I opened thread I thought battery

As a Range Rover driver, it's comical how many errors it throws due to low voltage. Did it today as it happens.

Never had it on the Porsche

Get a CTEK and leave it on trickle Thumb
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997.2 GT3 coupe Manual (03/19 >)
911 SC Targa Manual (04/19 >)
997.2 GTS coupe PDK (06/17-02/19)
997.1 C4s coupe Manual (04/15-06/17)
 
  
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Whytar
Hockenheim


Joined: 03 Jan 2015
Posts: 661
Location: Sydney Downunder


PostPosted: Mon Jan 11, 2016 9:34 am    Post subject: Reply with quote

Just wondering if this has been resolved? Was it the battery?
_________________
2010 997.2 4S with the flappy paddles
 
  
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bigkeeko
Trainee


Joined: 30 Aug 2015
Posts: 57



PostPosted: Mon Jan 11, 2016 5:41 pm    Post subject: Reply with quote

Whytar wrote:
Just wondering if this has been resolved? Was it the battery?


He's got his info and probably won't be back. ( Grin )
 
  
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mzmini
Barcelona


Joined: 30 Jan 2015
Posts: 1438
Location: Somerset


PostPosted: Mon Jan 11, 2016 5:46 pm    Post subject: Reply with quote

Hand I also belong to a Land Rover forum any with a low post count and only joining to try to remedy a fault is given short shrift by the mods
_________________
997 3.8 C2S
987 Boxster 3.4S
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2012 VW Polo

1964 1071 Cooper S
1964 1071 Cooper S 1991 Pirelli Classic winner
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pancobalt
Spa-Francorchamps


Joined: 02 May 2015
Posts: 282
Location: surrey


PostPosted: Mon Jan 11, 2016 6:04 pm    Post subject: Reply with quote

Yeah manners cost nout. Trouble is the more ridicule the less likely he will return with an update.

Im sure he has a perfectly good excuse though F O R N O U P D A T E
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2005 c2s blue.
 
  
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Ryad58
Newbie


Joined: 05 Jan 2016
Posts: 10



PostPosted: Wed Mar 23, 2016 6:51 pm    Post subject: Reply with quote

Sorry guys.
Yes the issue was resolved.
Replaced the battery and all errors have gone.
Oddly i don't think the coolant was a red herring!

When the coolant dipped low and the warning light came on, i immediately switched off the engine to prevent any damage....from that moment i was doomed as i'm told every time you switch on the engine, it takes 20mins with the engine running for the battery to re-coup what it lost on the start. Up till then i had been going for mainly short drives and in fact the oil level warning light came on 1 week before. In trying not to overfill the oil, I would top up a little, switch the engine on, get a read, switch the engine off and top up again, and switch on the engine....the joys of having a digital dipstick (why Porsche, why?!)

Anyway, all this starting and immediately switching off the engine really took it's toll on my battery and upon replacing it, i've not had any issues since. And more importantly i'm a little more careful about switching on the engine! puh

Oh and yeah i managed to jump start the 911 with my wife's 1.4, it took around 15mins though!

Sorry again F O R N O U P D A T E
 
  
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pancobalt
Spa-Francorchamps


Joined: 02 May 2015
Posts: 282
Location: surrey


PostPosted: Wed Mar 23, 2016 8:36 pm    Post subject: Reply with quote

Hey ryad58 good to hear from you and thanks for the update.

to avoid mullering anymore batteries, not being funny but try this ...

top up oil, switch on engine.....go for a drive....switch off..have a beer...then take oil reading

works for me but just stick to the one beer Smile
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2005 c2s blue.
 
  
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MNC911
Österreich


Joined: 10 Feb 2016
Posts: 990
Location: Prestbury


PostPosted: Sun Aug 25, 2019 9:02 pm    Post subject: Reply with quote

Alex wrote:
Also, have you had your battery disconnected??

If I remember correctly, page 263 of your owner's manual states something like:

After the battery is connected or after an exhaustively
discharged battery is charged, the multifunctional
PSM light lights up on the instrument
panel and a message appears on the on-board
computer to indicate a fault.
This fault can be remedied with a few simple
steps:
1. Start the engine.
2. With the vehicle stationary, perform a few
steering movements to the left and right and
then drive a short distance in a straight line
until the multifunctinal PSM light goes out and
the message on the on-board computer
disappears.
3. If the warnings do not disappear, then:
Drive carefully to the nearest authorized
Porsche dealer.
Have the fault remedied.
4. After the warnings disappear:
Stop the vehicle in a suitable place.



Take it for a spin round the block and that should clear it.


So glad I read this Alex. I had the interior apart today for a deep clean after a French road trip. A bit of sand, a few random crisps etc. Put it all back together and this message came up on the screen about PSM failure. To cut the story, copied your advice and within 100m it cleared. Better than the other options I've been reading about a lot of brake brushes failing causing the same type of message. Seems there's plenty of people crying out for a recall on the affected part .
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