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Home >> Mitsubishi >> 2009 >> Eclipse GS, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Traction Control System (TCL) >> Traction Control System (TCL) Diagnosis >> Diagnostic Trouble Code Procedures >> DTC C1640: Variant Code Un-Writing/Data Abnormal >> Circuit Operation
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Circuit Operation

The ECM < M/T > or PCM < A/T > communicates with the ABS/TCL-ECU via CAN bus lines, and sends the data from each ECU.