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Home >> Chevrolet >> 2001 >> Cavalier LS, 2.2 4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2558 >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2004 Pontiac Sunfire and 2004 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The interior lamps consist of the dome lamp, courtesy lamps and the rearview mirror reading lamps. Battery voltage for the interior lamps is supplied by the BCM through the inadvertent power control circuit. The BCM controls the interior lamps by supplying ground to the courtesy lamp low control circuit. If the courtesy lamp low control circuit becomes shorted to voltage, DTC B2558 sets.

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