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YOUR RESEARCHInstalling Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
Leading reported evidence
Install pccm+ system
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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 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
Here's the situation: after replacing the original speakers in my dashboard and rear (the old Nokia ones had deteriorated), I installed a PCCM+ system.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
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Leading evidence: 'Install pccm+ system' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'wires i didn't cover' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Install pccm+ system' (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 · Original poster
I soldered the wires which was a little messy but a solid connection, used a rod to feed the wires to the sub down the dash to the center console.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
wires i didn't cover
Suggestion or failed attempt
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0
Identified cause
1
Suspected cause
0
Reported fixes
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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 suspect a cause
1
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0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suspected cause · Original poster
IDK if it was the wires I didn't cover after soldering or the terminals on the speaker that were touching.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
Run smoothly
Suggestion or failed attempt
No successful repair reported for this finding.
0
Reported fixes
0
Unsuccessful attempts
1
Discussions
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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
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
Everything was running smoothly for a good while, despite the absence of that deep bass I craved.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
Run strong
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.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
Frequently discussed actions (5)
These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.
Install pccm+ 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
Here's the situation: after replacing the original speakers in my dashboard and rear (the old Nokia ones had deteriorated), I installed a PCCM+ system.
Installing Under-Seat Subwoofer: Audio Cuts Out in PCCM+ System in porsche 996.2
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.
4 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: 20261026T105141Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
HI! First forum post ever
. Here's the situation: after replacing the original speakers in my dashboard and rear (the old Nokia ones had deteriorated), I installed a PCCM+ system. Everything was running smoothly for a good while, despite the absence of that deep bass I craved. To rectify this, I opted to add a basic under-seat subwoofer. My approach involved tapping into the 12V/GND of the PCCM and linking the input to the front right speaker's wires (the twisted red and red-brown ones, to be precise).
However, a slight mishap occurred during the process�I accidentally cut the 12V & GND wires simultaneously, which resulted in a spark and blew a fuse. No major issue; I simply replaced the fuse. After reassembling everything, the system initially didn't work. I decided to let it sit for a day, and upon reconnecting to Apple CarPlay and playing a song, it miraculously started functioning again! Unfortunately, this success was short-lived. Roughly 15 minutes into my drive, the audio completely cut out, though the PCCM itself seemed unaffected.
340,000 miles and still running strong!
I figured it out. front right speaker was getting shorted out by the frame of the car. IDK if it was the wires I didn't cover after soldering or the terminals on the speaker that were touching. but I got it! but the speaker fell off the housing just enough to touch some of the frame.
happy boy, with some tunes again!
Holy crap. Thats awesome 340k
Sorry 2 hijack but what did you do to keep her going ? Any major things?
PS Im also here to get a feel on installing a under passenger seat sub as well to tap RCAs off my new deck.
I bought the car from someone that put 300k on sooo I don't have much in the way of experience on the 996's though I was so compelled to by this car, for the price but also the story. single owner dentist died of cancer. "what do you plan to do with it" his son asked me, "hit 500k" i replyed
The whole installation was a breeze, the front of the dash where the head unit sits is easy to take off, and wiring it to the back is simple, I just tucked the wire in some of the panels in the center console. I soldered the wires which was a little messy but a solid connection, used a rod to feed the wires to the sub down the dash to the center console. My 'under seat sub' isn't quite under, it's right behind the passenger seat. It's not the most elegant solution, the sub is a little too big for under the seat (which I expected). Rockville SS8P 400w 8" is what I put in, perfect for adding low end for the car, it's nothing crazy but hides well. the whole system is so much better but please note the prior system I had, the Nokia, suuuuucked. so I really don't know the potential for acoustics in the 996 but I'm happy, so ~$250 later and Ill stay ignorant till the whole system blows at 500k.
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