Lets point out the obvious, that mechanic cannot diagnose the problem. Sounds to me like, the mechanic did not want to mess with it because it is over his head, he took or created a way out for him. I suggest you do a fluid and filter change yourself or take it some place else and have it done. Als...

I only found one post on the Internet with regards to TCM-05B3 & TCM-05A3 Yes wait until the voltage regulation is confirmed as working. One thing common to all five TCM DTCs is: Low hydraulic pressure or perceived low hydraulic pressure. Low oil level. Damaged pressure sensor. It could be as s...

but all the readings from the sensors are awful. He said it could be a number of reasons... could be electric/electronic (though he said it obviously needs a transmission service he wants to see it fault first to be sure). Poor voltage regulation will do that. Can you get a printout of the codes he...

You need to get the DTC (Diagnostic Trouble Code). It does sound like you got problems with one of the Shift solenoids but until you get the DTS(s) .... it is all guesses. Hi Rick, Today I took the car to a mechanic that's more specialised in transmissions. In driving there, after about 1km the tra...

Hello Forum Members, This is my first post and sorry for the length. I've been reading this site for years and it's helped incredibly with my Volvo ownership and I thank everyone. This time, I come with something I (and the mechanics in my city) just can't figure out. Recently I swapped Volvo's and ...