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Home >> Hyundai >> 2007 >> Tucson GLS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transaxle System) >> Automatic Transaxle System >> Electronic Control System >> Serial Communication Interface (Sci)
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Serial Communication Interface (Sci)

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This uses a integrated computer which contains both the ECM and the TCM within the same unit. We will refer to this unit as integrated ECM.

Fig 1: Serial Communication Interface (SCI) Diagram
G04811201Courtesy of HYUNDAI MOTOR CO.

Communication Speed: 15.625Kbit/sec

Frequency: 20ms

If a fault occurs in either ECM or TCM, the entire integrated ECM must be replaced.