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Home >> Chevrolet >> 2017 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Lighting System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B258A >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.

DTC B258A 01 

The BCM detects a short to voltage in the headlamp low beam relay control circuit.

DTC B258A 02 

The BCM detects a short to ground in the headlamp low beam relay control circuit.

DTC B258A 04 

The BCM detects an open in the headlamp low beam relay control circuit.

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