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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 650 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B3903 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.

B3903 02 

Will set if the stop lamp switch signal circuit is shorted to ground for 125 ms.

B3903 05 

Will set if the stop lamp switch signal circuit is open or shorted to voltage for 125 ms.