Quote:
Originally Posted by Dremzy
Apologies,
Ok so since replacing the multi function switch, when selecting P or N or R the red light on the dashboard shows solidly (meaning no blinking). The D light still blinks when you switch to 'D'rive mode on the selector.
When using M mode you can switch gears using the steering wheel buttons however the dashboard still blinks 'D'. All gears shift correctly at the right RPM in both manual and auto mode.
Using a diag tool, when trying 70mph on the motorway the tiptronic temperature is reading 196F, is this too hot??
Please be advised that the multi function switch solved the fault in the system and PST no longer shows any fault in the tip (p708)
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Hey Dremzy
I know it's 5 years, but did you resolve the blinking D light?
I have 2004 also, had multi function switch replaced 2 years ago, all good till now.
However, of late D commenced blinking like yours (without affecting Tiptronic operation in either auto or manual mode like you), but in addition I had no 1,2,3,4 gear position display in instrument cluster.
Then a week ago it gave up, and went into limp mode ie D and 4 blinking.
Diagnostic code came up 51(Porsche)/P1174(universal OBD) "multi function switch".
Cleared code, drove home fine, everything working normal.
But blinking D light (only D) returned next day.
Hope you receive this and have got an answer.
Could it be the Tiptronic transmission control unit?