Crazy transmission issue -- need help!!!
03-23-2013, 02:38 PM
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2004 e55, 2006 gmc 3500 van( for work )
Crazy transmission issue -- need help!!!
This problem has occured twice. I will go to accelerate in manual transmission in first gear at about 1/3 throttle when the tranny will jump up in rpms about 1000 then drop 1000 then jump back up about 1000 rpms then back down about 1000 before it will either up shift to second gear or just go away. It has only happened in first gear. The car has a EuroCharged stock tune and thats it. Any info would be greatly appreciated. Thanks
03-23-2013, 04:05 PM
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2003 W211 E55, 2003 W220 S600
Via das you can look at the adaption values in each gear and if the numeric value is out side the permissble value the trans maybe slipping. It can also be the conductor plate. And check the tcu if it has been contaminated with transmission fluid
