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Home >> Chevrolet >> 2013 >> Spark LS, Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B2470 >> Circuit/System Description

Circuit/System Description

The cellular phone, navigation, and digital radio antenna is connected to the telematics communication interface control module. This module supplies 5 V to the cellular phone, navigation, and digital radio antenna to power the internal amplifier.