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The mkiv Supra Owners Club

Refitted TB now no Traction Control


Sandy-m2

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I would think the stepper motor was your problem, if you are only getting limited TC.

If you remove the PAS res you can get to all the stepper motor screws.

Take it off and check the spindle has no play and the bearings ok.

Check the linkage is moving freely and that the butterfly moves to both open and clased positions.

before you refit it check terminals on the stepper motor and the connector and clean everything.

Put it all back together and reset your ECU.

Hopefully I say hopefully, hay presto. your in business.

Hope this helps mate.

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