Porsche Club GB

Thatcham 1 aftermarket immobiliser

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3 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHThatcham 1 aftermarket immobiliser

Leading reported evidence

Install device was a thatcham i

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
2: OPC gave me a certificate that the factory fitted device was a Thatcham I
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Frequently discussed work

Check though

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
Certainly worth checking though.
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Read full discussion summary

Leading evidence: 'Install device was a thatcham i' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check though' (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.

Read captured replies

1 matching discussions · 3 captured posts examined · 0 partial discussions

Compare 3 other evidence results

Install on top of the existing porsche system

Performed · outcome unconfirmed

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 · Original poster
None of them liked the idea much, because the aftermarket immobiliser is fitted on top of the existing Porsche system, which apparently sometimes results in the two devices deadlocking each other.
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Check though

Suggestion or failed attempt

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
Certainly worth checking though.
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Check with your opc

Suggestion or failed attempt

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
1: Headlights are switchable, check with your OPC
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Frequently discussed actions (4)

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

Check though

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
Certainly worth checking though.
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Check with your opc

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
1: Headlights are switchable, check with your OPC
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Install device was a thatcham i

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
2: OPC gave me a certificate that the factory fitted device was a Thatcham I
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

Install on top of the existing porsche system

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 · Original poster
None of them liked the idea much, because the aftermarket immobiliser is fitted on top of the existing Porsche system, which apparently sometimes results in the two devices deadlocking each other.
Original post Read captured discussion
Thatcham 1 aftermarket immobiliser

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.

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

Porsche Club GB: 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: 20261026T152433Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

Hi, I've got a German-spec 996 which I bought right from the factory 5 years ago and I'm currently considering to register it in the UK. Having talked to a few insurance companies, the main issues seem to be the wrong headlights and the immobiliser/alarm system not being certified to "Thatcham 1" standard. Fitting other headlights is obviously not a problem, but has anybody experience with fitting an aftermarket "Thatcham 1"-approved device? In particular I'd be interested to know - which brands are recommend and - which suppliers have experience with fitting them into Porsches. I've spoken to a few guys in the factory and at Porsche UK. None of them liked the idea much, because the aftermarket immobiliser is fitted on top of the existing Porsche system, which apparently sometimes results in the two devices deadlocking each other. Thanks for your help, Uwe

POST 2Original post

My experience with my MY02: 1: Headlights are switchable, check with your OPC 2: OPC gave me a certificate that the factory fitted device was a Thatcham I 3: Install a tracking device Cheers [ ]

POST 3Original post

Not sure the German alarm is Thatcham 1. The C16 spec cars have a different system with an independent battery and siren apart from the regular one if I remember correctly. Certainly worth checking though.

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