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Home >> Chevrolet >> 2005 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Door System, Mirror System & Window System) >> Diagnostic Information and Procedures >> DTC B3821 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2005 GMC Sierra and 2005 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

This diagnostic procedure supports the following DTC:

DTC B3821 Left Rear Window Relay Power Circuit