25 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHPCM not working
Leading reported evidence
Install battery myself
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
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Leading evidence: 'Install battery myself' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check fuses' (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 · Original poster
I had a flat battery, which the local garage replaced for me.
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Suggestion
There should be a paper insert with the fuse assignments but I would check these:
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Suggestion
This emulation allows me to see and search all the functions (most anyway) of the iPod such as Playlists, Artists Albums etc on the screen of the PCM using the PCM controls.
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25 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: 20261026T194705Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I had a flat battery, which the local garage replaced for me. Since then the PCM is showing no signs of life. The CD changer in the front will not eject the CD's either and from that i guess there is no power to the system. Everything else in the car works just fine.
I could go back to the local garage, but wanted to ask here first before they screw something else up.
Any ideas?
That's the first thing I would check. Instructions are in the manual.
The fuse panel is in the driver's footwell. Pull off the cover and all will be revealed. There should be a paper insert with the fuse assignments but I would check these:
E5
E6
E8
D8 (if it has one).
Row A is the top, B is the second, etc.
Fuse numbers are counted from left to right.
There is also a fuse on the back of the PCM unit, but you have to take it out to get to it.
It is possible the fitting garage momentarily reversed the polarity on the battery - that will certainly blow the fuse on the back of the PCM unit, but is cheap and easily replacable.
Was dark when i got home last night so i will have a look tonight. Will it be obvious if a fuse has blown? or will i have to pull them all out one at a time and look at each fuse?
Thx
The fuse D9 was blown. There was a spare so i replaced it with the spare and ............................. and still no life in the PCM and no life in the CD changer in the front either. Rest of the car remains working fine.
D9 - was labeled "sound" in the booklet
Ok, thanks. i will book her in bcoz i'm not mucking around in there.
Whilst they are doing that maybe they can attach an ipod docking station....is that simple easy?
Dan,
If only it were that simple!!!
The only sure way of incorporating Ipod with interoperability into the PCM 2 is via a 3rd party application such as the Dension Gateway 500. I have one fitted (not into the back of the PCM) into the fibre optic MOST ring which fools the PCM into thinking the GW500 is the 6CDC system.
This emulation allows me to see and search all the functions (most anyway) of the iPod such as Playlists, Artists Albums etc on the screen of the PCM using the PCM controls.
There are other applications of this type but I haven't any experience of their effectiveness.
RB
Is it worth taking the car back to the local dealer to have a look at the PCM? if its just a fuse it will be cheaper and may even be free, certainly cheaper than OPC
If by 'local dealer' you mean Porsche Indy, then yes. If you mean a local garage, then I doubt if they would know the correct way to get the PCM unit out to get to the fuse at the back. Where are you located - maybe someone can recommend a local independent.
Seems my local non-Porsche garage put the new battery in the wrong way round. Luckily they must have noticied straight away and swapped it around otherwise much more damage could have been done. All i needed was 3 fuses costing £1.12, £1.12 and 39p...happy dayz. Only down side was £100 labour but i consider myself lucky that was all i had to pay. That i could tell the OPC what the problem was, that the fuses had blown, also saved some cash too.
Thanks
Danny don't think I'd be using them again anytime soon, pretty basic error and then not to have checked everything was working ok is bad form. Glad you got it sorted though
Difficult to know how they made such a basic error. The terminals would have been nearer the front/rear of the compartment, and I'm surprised the cables reached. Obviously they did, but you would have thought that anyone with half a brain would have felt something was wrong. I'm also surprised it didn't knacker the alternator. Must have got very, very lucky.
Edit: See below
Just fitted a new Battery myself. Would have took about 10 mins but the hole in the tray that holds the battery had no bolt thread for the clamp as the new battery is slightly longer then the original although there is threads for smaller batteries. Very strange !!
