Hello,Transmission fluid condition must be checked. If metal shavings are found, gearbox will require an overhaul. If fluid is OK, it's replacement might cure the issue.best regards,Stan
Can you explain the logic behind your reply.
The symptoms can be caused by mechanical failure in the transmission, clogged valve body due to normal wea of friction plates r or insufficient transmission fluid level. So the first thing to do is to check the condition of the fluid level and make sure that the mechanical components are not damaged