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Home >> Chevrolet >> 2011 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System >> Diagnostic Information and Procedures >> DTC U180C >> Circuit/System Description

Circuit/System Description

The high speed GMLAN serial data circuits are serial data buses used to communicate information between the control modules. The high speed GMLAN serial data circuits also connect directly to the data link connector (DLC) for programming purposes.