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OEM audio system upgrade


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Just been wondering: what happens if someone opts for a complete audio rebuild / reinstall. I mean, remove the factory (CDC24) head unit, amp, speakers, and put in some decent stuff. Will the missing CDC24 wreck the rest of the on-board electronics? (Heard nightmare stories from audio installer friends that they had to keep the OEM head unit connected, hidden behind the dash, because the car electronics refused to work without those...)

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Just been wondering: what happens if someone opts for a complete audio rebuild / reinstall. I mean, remove the factory (CDC24) head unit, amp, speakers, and put in some decent stuff. Will the missing CDC24 wreck the rest of the on-board electronics? (Heard nightmare stories from audio installer friends that they had to keep the OEM head unit connected, hidden behind the dash, because the car electronics refused to work without those...)

This is total old wifes tale...I have gutted the complete stereo system in my 986s and no effects on my electronics. Keep in mind most stereo system consists of head unit, amp and speakers. None of which is needed to operate a car or its electronics. Now on a different note, a bad install or removal done by someone that does not know what they are doing can cause damage your factory electronics. Like if someone just starts cutting wires that may cause a short or drain too much power and cause fuses to blow. Also it would matter if you had a factory navigation on your stereo that you are removing. Some of the older units may link to you cars speed sensor and other suporting items (alarm etc) If you are not familiar with car electronics I would suggest taking it to a reputable stereo shop

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Thanks for your reply.

I was really aware that the stereo head unit is not an absolute necessity to drive the car :D , however, was not sure if disconnecting the CDR24 or the BOSE amp from the MOST and the CAN bus would / could cause self-diagnostic error codes and probably other concerns...

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Thanks for your reply.

I was really aware that the stereo head unit is not an absolute necessity to drive the car :D , however, was not sure if disconnecting the CDR24 or the BOSE amp from the MOST and the CAN bus would / could cause self-diagnostic error codes and probably other concerns...

If you remove components you just need to use a PIWIS tester to turn off the removed devices. Chances are you would only see the errors when you hooked up a tester anyway.
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