i have problem with my gearbox tiptronic 997.1 After wen i tune my ecu. wen i accelerate in 1stgear in go in neutral some tims

i want to know is the gearbox going to safety

 

Yes you are going into safe mode...You need to contact your tuner and have him lower the rev limiter...This happened to me and it's very dangerous, as it leaves you stranded until you stop the car and turn it off...By the way, who's your tuner?

 

You can do a TCU upgrade

 

Which RPMs do you get this fault? 6700-7000?

 

700 rpm

 

is my gearbox damage

 

No there is no damage...Just have your tuner adjust your rev limiter back to stock...There is no reason to raise the rev limiter on a tune and exhaust only...Most dynos will show the power curve going down way before it reaches the red line...

 

thanks for the feedback my friend , the car is in dealer now they found that i have 1 liter less and i have a leaking from the gasket and the valve sensor .