4 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHSpoiler Warning Light
Leading reported evidence
Install correctly
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
Unsuccessful attempts
1
Discussions
Read evidence and context
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Performed · outcome unconfirmed · Original poster
I am assuming the microswitches have been fitted correctly.
Leading evidence: 'Install correctly' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check ground point' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Performed · outcome unconfirmed
The microswitches have been replaced again with no effect.
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Performed · outcome unconfirmed
The rams started leaking a week ago and were replaced.
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Discussions that contain suggestions
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Suggestion · Original poster
I would check the ground point for the brown lead for the microswitches at Ground Point 9.
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4 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Porsche Club GB: 1 discussions
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Generation: 20261026T191851Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I am assuming the microswitches have been fitted correctly. Blue lead at the top, grey lead at the bottom. Not sure if you can get this wrong, but that's what it says in the manual. I would check the ground point for the brown lead for the microswitches at Ground Point 9. This is shown as a 6mm stud in the engine compartment on the right hand side, at the very back of the compartment (towards the front of the car). Assuming you can see it, of course. It might also be worth switching the relays (Nos 3 & 9 on the relay panel under the carpet behind the rear seats) to see if the problem changes. You might be able to see if the switches are operating correctly by viewing them in the Input Signals or Actual Values on the Instrument Cluster in PIWIS. If you want the diagnostic sheet for 9150 drop me an email, which gives loads of checks, but they seem to relate to spoiler not extending or retracting, rather than what you are experiencing.
A friend's turbo is lighting the spoiler warning light 10 seconds after the spoiler raises and doesn't extinguish until the car is stopped and restarted.
6 months ago the microswitches were faulty and replaced and all was fine. The rams started leaking a week ago and were replaced. Since then the light comes on every time the spoiler is raised whether automatically above 75mph or manually via the switch. The PIWIS code reads 9150 I think which is the generic code that there is a spoiler malfunction. Thing is, the spoiler is actually working normally and raising equally. The rams have been bled properly. The microswitches have been replaced again with no effect. We've even tried to bypass the microswitches by joining up the black and gray wires from the microswitches and isolating the blue and black ones. The light then just comes on and stays on all the time. ECUs below the passenger seat are all dry.
I suspect there may be a break in a wire leading to the microswitches as everything else seems to work. Any ideas anyone?
We've tried switching the wires with no effect. We'll try the relays, ground point and see if we can see the actual values on PIWIS. It's stumping us. Thanks
