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Power Seat Switch Replacement
 
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Pelican Technical Article:

Power Seat Switch Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$90 to $150

Talent:

***

Tools:

T20, T25 Torx driver, flathead screwdriver

Applicable Models:

Porsche 955 Cayenne (2004-10)
Porsche 955 Cayenne GTS (2008-10)
Porsche 955 Cayenne S (2003-10)
Porsche 955 Cayenne Turbo (2003-10)
Porsche 955 Cayenne Turbo S (2006-10)

Parts Required:

New switch assembly

Hot Tip:

Scan for fault codes with the switch

Performance Gain:

Working seat

Complementary Modification:

Replace battery

The power seat switch is one of the more commonly used switches and is prone to failure over time. A faulty switch can result in erratic operation of the power seats, or some directions may work, while others do nothing.

If you have noticed a problem with the function of the switch, scan the car. The on-board diagnostics are sophisticated enough to detect a problem with an individual switch. It is worth the time to use either the Porsche factory tester or Durametric to pinpoint the problem.

If the switch still works, try and get the seat forward enough to make it easier to access the three screws holding the trim piece to the panel. If you can't access the screws, you'll need to remove the carpeted trim panel below. Removing this panel is a chore due to the angles involved. You'll need to pull the panel off the front of the seat frame and then reach in between the seat and the panel to unhook it. Its one of those things you really can't take a picture of, I'm sorry to say. Just reach in behind and underneath and you'll feel the hooks.

In this article, I'll go over the steps involved with replacing the power seat switch assembly.
Figure 1

In this article, I'll go over the steps involved with replacing the power seat switch assembly. Replacement of the switch involves removing the plastic trim around the bottom of the seat. Begin by moving the seat as far forward as possible. If you can not move the seat due to a bad switch, you should still have enough room to work with, although it may be a bit more difficult.

You'll need to remove this cover panel to access one of the fastening screws behind.
Figure 2

You'll need to remove this cover panel to access one of the fastening screws behind. Carefully pry the panel out from the front edge (green arrow).

Remove the T25 Torx screw underneath (green arrow).
Figure 3

Remove the T25 Torx screw underneath (green arrow).

You'll now need to remove the three T25 Torx screws holding the front edge of the trim panel to the seat frame.
Figure 4

You'll now need to remove the three T25 Torx screws holding the front edge of the trim panel to the seat frame. Try to get the seat as far forward as possible for more access to the screws.

Now pull the trim panel towards the front enough for the metal guide (green arrow) to clear.
Figure 5

Now pull the trim panel towards the front enough for the metal guide (green arrow) to clear.

Maneuver the trim panel so you can access the rear of the switch.
Figure 6

Maneuver the trim panel so you can access the rear of the switch.

Remove the two electrical connectors from the switch assembly by squeezing the plastic tabs inwards (green arrows) and then pulling the connectors out of the switch.
Figure 7

Remove the two electrical connectors from the switch assembly by squeezing the plastic tabs inwards (green arrows) and then pulling the connectors out of the switch. Keep in mind that the electrical connections may be different if you have a memory function built into the switch.

Remove the four T20 Torx screws holding the switch assembly to the trim panel
Figure 8

Remove the four T20 Torx screws holding the switch assembly to the trim panel

And here is the final result.
Figure 9

And here is the final result. When installing the new switch assembly, take care not to over tighten the screws holding it to the trim panel.

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Comments and Suggestions:
Stan Comments: Thank you for posting these instructions, they where very helpful. It took me less than fifteen minutes to install the seat switch. The dealership we bring the car to wanted 250.00 to install the part. that's 1000.00 an hour according to my math. At those prices I'm in the wrong business lol.

Thank you again,

Stan
December 31, 2015
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
Adie Comments: Even if my car didn't come with the panel with memory functions?
September 22, 2015
  Followup from the Pelican Staff: The switch handles all the function, no additional modules. If it plugs in, it may work. It may require programming. I have not tried this so can't be sure. - Nick at Pelican Parts  
Adie Comments: Can I replace a switch panel with one that has the memory function? if so will the memory functions work ?
September 15, 2015
  Followup from the Pelican Staff: Yes the procedure should be similar. You will have to reprogram the memory functions. - Nick at Pelican Parts  

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