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Home >> Fiat >> 2014 >> 500L Easy, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (DTCS P1CC0-00 To U1508-00 - C635 DDCT Automatic Transmission - 500L) >> Diagnosis And Testing >> U11C6-00-Lost Engine Torque Request Message >> Theory Of Operation

Theory Of Operation

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This diagnostic determines the availability of the static indicated engine torque signal, the engine friction torque signal and the indicated driver torque request signal sent by the Powertrain Control Module (PCM) via two CAN messages. The diagnostic determines the availability by checking the valid bit.