Horn and Tiptronic wont work

[mikefocke]

are often caused by grounding problems. There are several TSBs on the subject and the shop should have those and know them before they go removing anything in the steering wheel. I'm not guessing your shop knows Porsches as these are well known problems...my 2 cars have been in the shop 4 times for them.

TSB = Technical Service Bulletin

[brabus]

Originally Posted by mikefocke

are often caused by grounding problems. There are several TSBs on the subject and the shop should have those and know them before they go removing anything in the steering wheel. I'm not guessing your shop knows Porsches as these are well known problems...my 2 cars have been in the shop 4 times for them.

TSB = Technical Service Bulletin

Hi sir,
Thanks for your reply , Sorry but what do you mean by grounding problems ?
Do you think its something to do with the battery ?
I dun think its the ICE that cause this , because i've had the ICE install 2 weeks before the warning lamp lights up and everything is fine, and only after i change to a new battery for 1/2 a day , the warning lamps lights up .
Before they install the new battery , they had to cut off some of my wires attach to the batt cos is not long enough , and later extend the previous wire with some lose wire so that its long enough to reach the batt terminal .
I suspect this is where it trigger the warning lamp , anyway tks for pointing this out , at least now i felt more convince if its the grounding problem .
Hope you can tell me more about the grounding problems .

Best regards

[mikefocke]

A bad (corrosion or wear) connection to the chassis ground as opposed to the hot or plus side of a circuit.

ICE isn't a term I'm familiar with, care to spell it out.

One classic problem is a grounding strap that connects the alarm computer under the left hand seat to the chassis. Other causes require a seatbelt buckle receptacle replacement. Both are easily diagnosed by a knowledgeable Porsche mechanic with the proper Porsche equipment called a PST2 or PIWIS which allows a diagnostic computer to the OBD2 port under the dash.

When I replaced my battery on my Boxster, I replaced the grounding strap with one that was a little longer for a better fit with the new battery but there were no other wires directly connected to the battery.

[brabus]

Hi mike ,
ICE spells out as In-Car Entertainment , meaning i did quite a fair bit of mod to my car as in i add in amp , change speaker and sub woofer .
Hope you can have a better understanding of my problems .


Cheers