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gchu

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Posts posted by gchu

  1. On ‎2‎/‎17‎/‎2017 at 1:56 PM, Richard Hamilton said:

    It is only on early Model Year 2005 987 and 997 cars which had problems updating Bose amplifiers. If the Amplifier software version is 0017500 or above, they are OK to update. Prior to that, there were 3 versions of the amp, and 2 of the 3 are bricked if you try to update them.  You can get round this by modifying the update CD to remove the amp update.

     

    The Bose amps in Cayennes do not suffer from this problem, and can be safely updated.

     

    Hi Richard,

    I checked the version of the Amplifier software of and found an exclamation mark next to the Amplifier (see images).  Should I have proceed the normal update or you mention there is an method to modify the update CD to bypass the Amp?  The version number is way lower than your suggested 0017500, but this is a Cayenne, not a 997.  Thanks.

     

    IMG_4544.JPG

    IMG_4545.JPG

  2. I took the assembly apart and found there is a pivot knob on the right side of the tray was broken off.  Luckily I found the piece and used some strong glue to hold them back together.  I searched and found this a common problem and Porsche doesn't sell the part, only the whole assembly for few hundred dollars .

     

     

    IMG_3978.jpg

    IMG_3973.jpg

    IMG_3975.jpg

  3. I have some issues with my setup of the Tekonsha P3 controller without the relay but not sure the problem is the controller or not.  I am not sure the updated P3 still need the relay even the company said it is no longer necessary.


     


    I want to try to add the relay to the harness and see if it is the cause of the issue.  For those who had successful installed, could someone tell me where you get the source of the 12V & Ground?  Can you use the 12V and Ground from the factory 4 pins and feed them to the relay?  Thanks. 

  4. My trailer finally arrived.  I hooked up my trailer and everything seems to be fine.  No error or whatever showed up.

     

    When I took the trailer for a test run and tried to adjusted the brake controller then I have some trouble.  By activate the manual override, I can't see to able to put the wheels to lock even set it at the highest power setting.  I did feel the brake worked and the trailer was slow down the vehicle, but the wheels didn't lock as a procedure to setup the power level.  The display at the controller was fine and no erratic display.

     

    I may need to try the original method for this post by adding a relay and see what happens.  From the diagram of the technical bulletin, can someone tell me where can I get the source of the 12V that goes the relay?  Can I simply use the power source from the factory brake controller harness (red/yellow)?

     

     

    post-252-0-33567800-1416888239_thumb.jpg

  5. After I did all the researches and finally ordered the Tekonsha Prodigy P3 trailer brake controller.

     

    This information is from etrailer.com: confirmed with my contacts at Tekonsha, and Prodigy P2 # 90885 and P3 # 90195 have been re-engineered the to not require a relay for installing in a 2012 Volkswagen Touareg. The minimum voltage needed for the display on the brake controller has been increased, therefore the relay is not needed.

     

    I connected the wire harness with the VW wires & adapter, straight with no relay, the controller seems to be working fine.  I don't have a trailer hookup to it yet, but I will post an update if there is any issue when that happens.

     

    In additional, I found out the P3 doesn't go into sleep mode if a LED Trailer Light Adapter is being used for a trailer with LED tail lights.  Unplug the adapter the P3 goes into sleep mode in 15 minutes.

  6. My 2005 Cayenne S is PCM2.1 Level A and needs to upgrade to Level B. The 2006 PCM2.1 is Level B and supports MP3 audio that my 2005 Level A doesn't. Does anyone know is MP3 supported if upgrade a 2005 PCM2.1 Level A to B? and is there any different of the PCM operation & features after updated the firmware of the PCM2.1 from A to B?

    did you manage to solve this problem? Let me know, I have the same issue!

    No, after researched and was told MP3 is not supported for 2005's PCM, even upgraded to Level B. So I just hold off and still using my original map disc from 2004.

  7. Back in 12/2012, the error code for "Impedance ig circ. belt tight (rear centre)" which I posted when the 2nd time Airbag light came one I think is normal.

    That was over a year ago and I did contacted Durametic support but no response. The error that brought up the Airbag Fault twice were 1217. The first time, I only re-crimped the connector, clear the code, and was fine for a year. After a year, the code reappeared again, this time I cut the connectors and soldiered them and packed with heat-shrink tube. I cleared the code and just ignored the code for "Impedance ig circ. belt tight (rear centre)".

    Since then, I have never had any problem.

    George

  8. Update!

    The battery is fully charged and all plugs under seat were checked. I recrimped the wire I fixed last year. Then I tried to clear the code with Durametric tool and the code is cleared. I check and there is no more Airbag Fault code.

    Then I read the vaule of "Impedance ig circ. belt tight (rear centre)" for the Airbag and it still show "too big".

    I drove the car for about 20 miles and the Airbag Fault didn't come back. I read the value again today and the "Impedance ig circ. belt tight (rear centre)" still show too big.

    Maybe this is normal has nothing to do with the code I had yesterday. Can someone verify the "Impedance ig circ. belt tight (rear centre)" should read "correct" or "too big" from the Durametic Tool?

    BTW, vehicle is a 2005 Cayenne S with Durametric software 6.3.1.7. Thanks.

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