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Home >> Buick >> 2013 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 263 (Lighting System) >> Diagnostic Information and Procedures >> DTC B257B >> DTC Descriptors

DTC Descriptors

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
DTC B257B 03

Lighting Control Switch Signal Low Voltage

DTC B257B 07

Lighting Control Switch Signal High Voltage

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