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Home >> Cadillac >> 2014 >> SRX Performance, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0073 or U2100: Control Module Communication Bus A/CAN Bus Communication >> Circuit/System Description
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Circuit/System Description

The serial data circuits are used to communicate information between the devices. The serial data circuits also connect directly to the data link connector (DLC).