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Home >> Buick >> 2016 >> Verano Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> DTC B1020: Auxiliary Electronic Control Unit (ECU) Performance >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2015 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

The radio receives an improper status response indicating an internal ECU fault in the radio controls.

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