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971 Multiple woes

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Old Sep 25, 2023 | 10:24 AM
  #1  
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Unhappy 971 Multiple woes

I've had my Panamera for a little over a month and I've hit my first big issue. Last night I went to drive it and got hit with multiple errors on the dash:

- Child Lock Fault
- ACC + Traffic Jam Assist not available. Driving Permitted, Inspection Necessary
- LCA Not Available, Inspection Necessary

I've also noticed today that there seems to be no power to the windows, and indicator on driver side doesn't flash on wing mirror.

Can't seem to see any obvious issues. I'm hoping it's a battery issue and a relatively easy fix.
Phoned Porsche this morning, but they are closed (UK Bank holiday)

Has anyone ever had these issues all at once?

Thanks in advance
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Old Sep 25, 2023 | 11:07 AM
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Originally Posted by hoochy
I've had my Panamera for a little over a month and I've hit my first big issue. Last night I went to drive it and got hit with multiple errors on the dash:

- Child Lock Fault
- ACC + Traffic Jam Assist not available. Driving Permitted, Inspection Necessary
- LCA Not Available, Inspection Necessary

I've also noticed today that there seems to be no power to the windows, and indicator on driver side doesn't flash on wing mirror.

Can't seem to see any obvious issues. I'm hoping it's a battery issue and a relatively easy fix.
Phoned Porsche this morning, but they are closed (UK Bank holiday)

Has anyone ever had these issues all at once?

Thanks in advance
The power window and non-functional side markers are concerning. Is this a brand new vehicle?

I have not experienced these issues all at once.

For my vehicle, I know LCA errors appear when I have a lot of dirt on the sides of the rear bumper:



ACC not available has appeared for me separately when the radar sensors are dirty:


As far as child lock fault, I haven't had issues with that but that's because I don't use this feature:



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Old Sep 25, 2023 | 11:12 AM
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Thanks for the reply mate, it's a 2018 Panamera. 54,000 miles so I'm just out of the warranty period if I'm correct.

Radar domes are clean and nothing really out of the ordinary.

I notice that the small light on the drivers door, to set the memory function isn't illuminated also, so again, leans towards no power on the drivers side?

I'll try disabling the child lock with the key like the illustration you posted, hopefully that removes one of the notifications temporarily at least.


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Old Sep 25, 2023 | 11:15 AM
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Originally Posted by hoochy
Thanks for the reply mate, it's a 2018 Panamera. 54,000 miles so I'm just out of the warranty period if I'm correct.

Radar domes are clean and nothing really out of the ordinary.

I notice that the small light on the drivers door, to set the memory function isn't illuminated also, so again, leans towards no power on the drivers side?

I'll try disabling the child lock with the key like the illustration you posted, hopefully that removes one of the notifications temporarily at least.
Sounds like there is no power with the doors, perhaps a loose connection or a poor repair job? Do any of the other functions work? (Soft close doors if equipped, folding mirrors, etc)

Good luck -- I would call around for an independent specialist that has a PIWIS if the main dealer can't help or is too expensive. A scan with that tool would be very helpful.
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Old Sep 25, 2023 | 11:19 AM
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Folding mirrors don't work unfortunately.

It's booked into the main dealer this Friday for something completely different. I'll call them tomorrow and see what they can do. If not I'll go down the indy route.

Curiously, would they charge to read the errors and diagnose at main dealer, or only if I push ahead with their prognosis?
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Old Sep 25, 2023 | 11:22 AM
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Originally Posted by hoochy
Folding mirrors don't work unfortunately.

It's booked into the main dealer this Friday for something completely different. I'll call them tomorrow and see what they can do. If not I'll go down the indy route.

Curiously, would they charge to read the errors and diagnose at main dealer, or only if I push ahead with their prognosis?
It depends. I've got a good relationship with my main dealer so I'll ask the service advisor for some quick things and I never see an extra charge. Some places will charge a labour rate, usually 0.5 hour.
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Old Sep 25, 2023 | 11:25 AM
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Got it, thanks for your help. It's got FPSH so I'm hoping for a little goodwill.
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Old Sep 25, 2023 | 01:04 PM
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Classic symptoms of a battery that needs to be replaced.
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Old Sep 25, 2023 | 01:06 PM
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ON the 911 forums when multiple faults and weird electrical issues are reported 1st thing is to check/test battery. A low batt can really mess with the systems in these cars.
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Old Sep 25, 2023 | 01:18 PM
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Yep, I think that's what I'm hoping for now. Got to be a best case scenario IMO.
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Old Sep 25, 2023 | 07:48 PM
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What does your voltage read with Key On Engine Off on the dash. If its sitting below 12 then its probably a battery. Mine gave me all kinds of issues with a low battery in the car. With this much tech in the car, it gets mad quite quickly with low voltage.
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Old Sep 26, 2023 | 04:56 AM
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Originally Posted by chaos2984
What does your voltage read with Key On Engine Off on the dash. If it's sitting below 12 then it's probably a battery. Mine gave me all kinds of issues with a low battery in the car. With this much tech in the car, it gets mad quite quickly with low voltage.
12.8V according to the instrument cluster.

Just got out the car there and got a new error - Door Contact Fault, so I'll add that to the growing list of errors.
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Old Sep 26, 2023 | 07:34 AM
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Originally Posted by hoochy
12.8V according to the instrument cluster.

Just got out the car there and got a new error - Door Contact Fault, so I'll add that to the growing list of errors.
Replace the battery.
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Old Sep 26, 2023 | 05:04 PM
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+1 for Weak 12V Battery.
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Old Sep 26, 2023 | 05:10 PM
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Booked into Porsche first thing tomorrow. Will keep everyone updated. Thanks for all the replies. I’m hoping for a weak battery too, anything else seems like ££££
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