2013 VOLVO 670 I SHIFT LOSS OF ACCELERATION/THROTTLE

No codes come up

 

No codes or faults .

 

Hi I have same problem, the mechanic first said it is a small computer in side transmission he opened transmission he change almost everything half of transmission, clutch and it costs me $10000 but when I took it for test driving , I found out nothing changed I have still have same issue , I went back to him this time he said it should be a control madual but I am not sure what happen . Please update me if you fixed your truck and I will let you as well.

 

hey I have the same issue, did you ever find I what was the problem