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Leading reported evidence
Install alarm tilt sensor and siren
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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 performed work without a confirmed outcome
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.
Performed · outcome unconfirmed
Those are the wiring plugs for the factory fitted alarm tilt sensor and siren .
Leading evidence: 'Install alarm tilt sensor and siren' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'tilt sensor and siren have been removed' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Disconnect car battery' (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.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
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 performed work without a confirmed outcome
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.
Performed · outcome unconfirmed
They don't look standard and are probably from some retro fitted tracker or something.
Install under the passenger seat and the tilt sensor removed
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
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 performed work without a confirmed outcome
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.
Performed · outcome unconfirmed
It was common for the tilt sensor to corrode on the wiring pins and give false alarm triggers , there is a mod whereby a new sensor is fitted under the passenger seat and the tilt sensor removed from next to the battery and binned .
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 suspect a cause
1
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Suspected cause
i would suggest you get the coding checked for the car as i suspect the tilt sensor and siren have been removed but not coded off ..
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
1
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Suggestion
It's to prevent thieves silencing the alarm by simply disconnecting the car battery.
Install under the passenger seat and the tilt sensor removed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
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.
Performed · outcome unconfirmed
It was common for the tilt sensor to corrode on the wiring pins and give false alarm triggers , there is a mod whereby a new sensor is fitted under the passenger seat and the tilt sensor removed from next to the battery and binned .
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.
15 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 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: 20261027T011819Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Mooching around under the frunk today and found these unused connectors near the cabin filter area (passenger side of the battery). They're quite corroded so have not been used for a while but if somebody could identify them it would satisfy my curiosity.
Those are the wiring plugs for the factory fitted alarm tilt sensor and siren .
It was common for the tilt sensor to corrode on the wiring pins and give false alarm triggers , there is a mod whereby a new sensor is fitted under the passenger seat and the tilt sensor removed from next to the battery and binned .
I would hazard a guess that you have no siren just a horn for the alarm and the tilt sensor has been coded off .
Ok .. i would suggest you get the coding checked for the car as i suspect the tilt sensor and siren have been removed but not coded off .. lets just say ... i've seen it before !
Alarm coding and tilt sensor / alarm siren MUST be coded to not fitted .
When locking the car with the remote I get a single "beep" from the horn.
After having a few false alarm cycles I now lock it and let it arm then unlock it but don't open any doors, it re-locks after 30 seconds or so - I believe this leaves the alarm de-activated.
Last owner had it 100% garaged so probably left it unlocked
A single beep from the horn indicates the car is seeing a problem .. often the center console cubby lid is open .. in this case it is possible its to do with the missing tilt sensor and siren.
I would suggest .. get an Indy to check that the tilt sensor and siren are actually coded off to rule that out .. as this does cause random alarm triggers if removed but not coded off .
i would also get them to look at the alarm activation states and the alarm event memory .. one is what has caused the alarm to go off the last 10 times and one tells us what faults the car can see for the last 10 locking cycles .
It's a half hour labour charge so at my garage ( where i work and not own ) its circa £50 including vat .
Lol .. yup i looked where you live .. pretty much opposite ends of the country !
Get the garage to check it out .. i can always evaluate the report if needed but i suspect they will nail the fault .. we mechanics are all the same as far as i'm concerned .. we just don't all reply here
slightly off topic (ish)
i have had troubles with my alarm going off randomly, was told that its the alarm siren's internal battery failing, making it go off ..... this apparently can't be replaced/accessed so it requires a new alarm siren....seemed strange that the siren has its own battery?? can someone confirm that this is correct please...
i had a new (expensive) siren on order from porsche but now they can't supply!
as the corroded pins were mentioned above, which i had, and have since cleaned up in readiness for a new siren, I'm wondering if i just put the old siren back on now that the connections are all cleaned up and see if this was the issue? what do you guys reckon....??
Corroded pins can cause issues .. clean or replace basically .
The siren has an internal battery .. it can't be replaced .. well not as standard .. it might be possible but as a rule its a single unit and is replaced as such .
To prove this is the fault .. code it off and unplug it .. although i will say i have seen a siren fault cause alarm triggers in the past on many models .
