C30 T5 fault code TCM-002A, TCM-0029
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I have a problem with my c30.
It says incorrect gear ratio
I have changed the atf, valvebody, gearbox and the tcm
I still get the faults and only drive en limp mode and hard shifts
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Those codes are for too low shifting pressure, or slipping clutches in 2nd and 3rd gear and could be caused by the wrong oil, to low oil level or worn clutches or a worn torque converter.
When did those codes apear for the first time and under which circumstances?
What oil do you use? The correct oil from volvo has the part number 1161540/1161640 or Aisin JWS 3309.
Did you perform an adaption reset after changing all those parts? -
Is the car tuned or stock?
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If you connect Vdash, do you see a software update for the TCM? Volvo has update the TCM software somewhere in the past to address problems such as yours. Rough shifting and different error codes related to it. No PINs needed for that.
