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Strange problem with transmission. Fault TCM-012B neutral control

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Sigmarus
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Year and Model: 2001, V70, 2.4T
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Sigmarus

Strange problem with transmission. Fault TCM-012B neutral control

Post by Sigmarus » Sat Jul 27, 2019 10:37 pm

Hello,

I have a problem with automatic transmission in my V70,2.4T,2001r.
In a past few days i get the error TCM-012B with yelllow indicator and information „Transmission service req...”
The car still goes well. I notice problem only when i want to start from 0, on D there is a much less power and sometimes car wont move on D, afrer loosing break pedal.
I know is a problem with neutral control and in polish volvo forums i found information that update the transmissiom software (when this neutral control option will be deactivated) and change the fluid could help.
Have anybody have similar problem?

There is some chance that this fault means that the transmission could be damage or it soon be over?:(
This transmission had a renovation in 250000 km, the car right now have a 320000km.
Dont want to invest to dynamic fluid change and software update if i dont have sure if thats will help.

Thanks for any advice.



Other question.
I have chinese Vida, can i buy a 3day subscription from Volvo snd buy update and do it by myself?



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MoVolvos
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MoVolvos

Re: Strange problem with transmission. Fault TCM-012B neutral control

Post by MoVolvos » Sat Jul 27, 2019 11:28 pm

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You didn't say how dirty was the fluid? Dynamic fluid change I take it to mean a machine flush? Clear the codes and just do a drain and fill and see if it improves or fixes the problem. That's the quick, cheap and dirty way to access your problem if the fluid is dirty.

At 200K miles and depending on the overall condition of your car it's a juggle to decide how much to spend to keep it going as long as possible.


Blessings,

BKM

1998 S70 T5 - Donated
2003 S80 T6
2003 GS300
2003 Odyssey
2008 C30 T5
2019 Atlas SE 4 Motion

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abscate
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abscate

Re: Strange problem with transmission. Fault TCM-012B neutral control

Post by abscate » Wed Jul 31, 2019 4:29 am

Most 2001 had the neutral stop software removed by the dealers. Try a fluid drain and fill, not a dynamic flush , to see if helps first.

There is a special thread for the 2001 transmission in this Forum


Empty Nester
A Captain in a Sea of Estrogen
1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW

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