Porsche Club GB

Sat Nav "CD upside down"

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Original source

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

THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHSat Nav "CD upside down"

Leading reported evidence

Clean cd in the pcm

Suggestion or failed attempt

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 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
If that doesn't work, you could try a lens cleaning CD in the PCM.
Original post Read captured discussion
Sat Nav "CD upside down"

Read full discussion summary

Leading evidence: 'Clean cd in the pcm' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Clean cd in the pcm' (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 2 other evidence results

Repair '

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
If those don't work, and if it is PCM1 then it is probably 'beyond economic repair'.
Original post Read captured discussion
Sat Nav "CD upside down"

Replace cd mechanism

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
If it is PCM2.0 you can replace the CD mechanism.
Original post Read captured discussion
Sat Nav "CD upside down"

Frequently discussed actions (3)

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

Clean cd in the pcm

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
If that doesn't work, you could try a lens cleaning CD in the PCM.
Original post Read captured discussion
Sat Nav "CD upside down"

Repair '

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
If those don't work, and if it is PCM1 then it is probably 'beyond economic repair'.
Original post Read captured discussion
Sat Nav "CD upside down"

Replace cd mechanism

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
If it is PCM2.0 you can replace the CD mechanism.
Original post Read captured discussion
Sat Nav "CD upside down"

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.

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

Outcome without a verified action link
It has worked intermittently but generally shows the error message.
Original post Read captured discussion
No unique explicit quoted action; no causal link assigned

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

POST 1 / ORIGINAL POSTEROriginal post

Hi all, I have a 996.2 C4S with sat nav. When I bought the car just over a year ago the sat nav worked but in the next few months it started showing the error message "CD upside down". It has worked intermittently but generally shows the error message. Does anyone have any ideas what the problem could be? Thanks David

POST 2Original post

Is your car 2002 (PCM1) or 2003-on (PCM2.0)? The first thing I would do is make a copy of the map CD on a computer, using a good quality CD-R blank disk, writing it at the slowest speed possible (2X or 4X). If that doesn't work, you could try a lens cleaning CD in the PCM. If those don't work, and if it is PCM1 then it is probably 'beyond economic repair'. If it is PCM2.0 you can replace the CD mechanism. Min Chew (minny) did a great write-up, which you will find in the 996 Technical Articles section.

POST 3 / ORIGINAL POSTEROriginal post

Thanks Richard, It is a PCM1, so will try copying the disk as suggested, as the first step. David

This is a source reference. Confirm exact model applicability in the original material.