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Transmission fault light

stewart thornton

By stewart thornton,
in BMW 3 Series Forum

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stewart thornton Rookie

stewart thornton

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Using a Foxwell OBD tool which has brougt up a number of codes relating to excess slip at the torque converter clutch, but nothing on the dash. Is it possible that the codes are still stored on the ECU as car drives well and tranny temperature is steady at 85c

Greydog Grand Master

Greydog

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Morning Stewart

When was the transmission last serviced ? Clear the codes and rescan to see what returns. You could try a tube of Dr Tranny one of the few additives that really work

Dave

stewart thornton Rookie

stewart thornton

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Hi Dave,

The tranny has been drained  and flushed twice with the filter changed. I have  also added Dr. Trannys. It is so odd as it drives and changes seamlessly but again no light on the dash. Any ideas? Tranny specialist in France are virtually non existent.

Greydog Grand Master

Greydog

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Morning Stewart

Did they use the correct ZF fluid ? 

If it is a registered fault in the transmission controller but no warnings showing it could be a wiring fault perhaps? Check and clean the transmission connecting plug ?

Other wise if it is driving and changing seamlessly as you say no clunks rattles or the dreaded lurch on slowing down then you may have to be brave and live with it for a while.

Dave

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