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Passenger Window Malfunction?

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8 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

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YOUR RESEARCHPassenger Window Malfunction?

Leading reported evidence

Replace so at first i thought maybe it had

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Suggestion · Original poster

This started happening the day after I had an oil change so at first I thought maybe it had to do with something they did but now im not sure.

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Passenger Window Malfunction?
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Leading evidence: 'Replace so at first i thought maybe it had' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace so at first i thought maybe it had' (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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Use door handle

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No successful repair reported for this finding.

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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
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0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Same thing happens, and when the window drops and the light comes on I can't hit the button again to "unlock" but I can use the door handle to unlock.

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Passenger Window Malfunction?
Frequently discussed actions (2)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Replace so at first i thought maybe it had

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

This started happening the day after I had an oil change so at first I thought maybe it had to do with something they did but now im not sure.

Original post Read captured discussion
Passenger Window Malfunction?

Use door handle

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

Same thing happens, and when the window drops and the light comes on I can't hit the button again to "unlock" but I can use the door handle to unlock.

Original post Read captured discussion
Passenger Window Malfunction?
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

8 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T133652Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

My 2003 996 C4S passenger side window recently started automatically dropping (similar to when you open the door), while driving which causes the dome light to come on. I've noticed it happens especially if I hit a bump. Most times if I open the door and close it it will go off but then happen again quite often. This started happening the day after I had an oil change so at first I thought maybe it had to do with something they did but now im not sure. Is it most likely a microswitch I have to replace, or are there other areas I can investigate first?

POST 2Original post

There are several microswitches in the door. If the dome light comes on and the window drops it sounds like one that is activated by inside and/or outside door handle. There is a great write up somewhere in this forum derailing all the difference switches. If i can find it i�ll post it.

POST 3 / ORIGINAL POSTEROriginal post

Another odd thing is while it does happen when I hit a bump, it can also happen as soon as I lock the door and the car is already off. Ill close door, lock it and see the window slightly drop.

POST 5Original post

If you turn on the door locks (button on horseshoe) while driving i wonder if you would still have the problem, not that thats a real solution

POST 6 / ORIGINAL POSTEROriginal post

I've tried that. Same thing happens, and when the window drops and the light comes on I can't hit the button again to "unlock" but I can use the door handle to unlock.

POST 7 / ORIGINAL POSTEROriginal post

Thanks for posting. Makes me think it's a switch for sure, but not really sure which one.

POST 8Original post

Might be one or both door handle sensors as well as the lock sensor based on your description.

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