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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> DTC B25F8: Auxiliary Daytime Running Lamps Relay Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

DTC B25F8 01 

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

DTC B25F8 02 and B25F8 04 

The BCM detects a short to ground or an open/high resistance in the headlamp relay control circuit.