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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1548 (Lighting System) >> Diagnostic Information and Procedures >> DTC B3884 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
CHMSL Relay Control B3884 00 1 2 -
CHMSL Control 1 1 2 -
CHMSL Relay Control - 1 - -
CHMSL Ground - 1 - -
1. Stop Lamp Switch Malfunction
2. Stop Lamp Malfunction
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