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Title: Relationship between ECU and TCU Post by: paracaidista2.7T on May 17, 2011, 08:00:10 AM I am exploring the relationship between the ECU and TCU. I am somewhat confused by MDMAXKBI and MDNORM. I understand that torque values are transmitted over CAN to the TCU from the ECU, if the value exceeds MDMAXKBI what happens?
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