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Gunvir Singh
Gunvir Singh,
Category: Porsche
Satisfied Customers: 1502
Experience:  Master Tech at Kennesaw Auto Tech
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I have the same problem posted .2013 Porsche Cayenne has no

Customer Question

hi
JA: Hi. How can we be of help?
Customer: I have the same problem posted .2013 Porsche Cayenne has no electric power after collision and driver airbag deployed.
JA: Just to clarify, how fast were you going and what did you hit?
Customer: a deer
JA: Are you fixing your Cayenne yourself? What have you tried so far?
Customer: Check all the fuses and electrical connections
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 4 months ago.
Category: Porsche
Expert:  Gunvir Singh replied 4 months ago.

Hello, do the dash or security lights come on?

Customer: replied 4 months ago.
I have no power
Customer: replied 4 months ago.
I need to know where is the power off switch
Expert:  Gunvir Singh replied 4 months ago.

When airbags deploy couple of fuses are blown. Have you checked the fuses?

Customer: replied 4 months ago.
I check all the fuses and all are good. I read online about a power device to cut the power when the airbag deployed. Something under the driver seat next to the battery. I can't move the seat to have access to the battery.
Expert:  Gunvir Singh replied 4 months ago.

If vehicle is equipped with pyrotechnic battery disconnect, which can sever battery connections in a crash. In this case the seat will have to be removed to gainaccess to the battery terminals.

Expert:  Gunvir Singh replied 4 months ago.

The manufature did not provide any procedure to get to the battery in this case. I found a similar forum that shows the seat removal on a similar vehicle. I have added the link to it. https://rennlist.com/forums/cayenne-diy/850528-cayenne-958-battery-compartment-access.html

Expert:  Gunvir Singh replied 4 months ago.

Do you have any other questions?

Customer: replied 4 months ago.
Not having power I can't move the seat to have access to the bolts. The pyrotechnic battery disconnect need to be replaced with a new one or just be repaired ?
Expert:  Gunvir Singh replied 4 months ago.

It will need to be replaced.

Customer: replied 4 months ago.
Do you have the parts number for pyrotechnic battery disconnect and more details how can be replaced ?
Expert:  Gunvir Singh replied 4 months ago.

I'm sorry but that info is dealer available by vehicle's vin only, not available to me.

Expert:  Gunvir Singh replied 4 months ago.

Please read this:

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Customer: replied 4 months ago.
I found under the driver seat an switch that is can be moved but still has no power. The pyrotechnic battery switch has the same pugs like the airbag has ? I can see an airbag plug in the top of the battery.
Expert:  Gunvir Singh replied 4 months ago.

Its not a switch, it is the actual battery cables.