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Home >> Chevrolet >> 2015 >> Impala Limited LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Cellular System, Entertainment System And Navigation System) >> Diagnostic Information and Procedures >> DTC B0997: Auxiliary Electronic Control Unit Performance >> Circuit/System Description

Circuit/System Description

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The Info Display Module monitors itself for internal failures and reports its condition to the Human Machine Interface Control Module when requested. The info display also reports electronic identification information when requested.

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