LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2005 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Body & Frame >> Windows >> Door System >> Diagnostic Information And Procedures >> DTC B3821 >> DTC Descriptor
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Descriptor

This diagnostic procedure supports the following DTC:

DTC B3821 Left Rear Window Relay Power Circuit