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996 C2 Tiptronic - Cruise Control not working


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Hi Guys!

 

My cruise control is not working, even though the little green light comes on. All the brake lights are ok (they are bulbs, not LEDs), as well as the brake light switch. I do have a P0740 (I'm hoping it's just the #4 solenoid) - can this cause the CC not to engage?

 

As there is no clutch switch on the tiptronic cars, I assume some sort of signal is still coming from the automatic transmission but I can't find any specific info on that.

 

Any advice is much appreciated!

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