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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1134 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B3920 or B3921 >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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
Driver Seat Front Vertical Motor Down Control B3920 02 1 B3920 01 B2355 5A
Driver Seat Front Vertical Motor Up Control B3920 02 1 B3920 01 B2355 5A
Driver Seat Rear Vertical Motor Down Control B3920 02 1 B3920 01 B2365 5A
Driver Seat Rear Vertical Motor Up Control B3920 02 1 B3920 01 B2365 5A
Driver Seat Horizontal Motor Forward Control B3920 02 1 B3920 01 B2375 5A
Driver Seat Horizontal Motor Rearward Control B3920 02 1 B3920 01 B2375 5A
Driver Seat Recline Motor Forward Control B3920 02 1 B3920 01 B1825 5A
Driver Seat Recline Motor Rearward Control B3920 02 1 B3920 01 B1825 5A
Driver Seat Lumbar Motor Forward Control B3920 02 2 B3920 01 B1850 5A
Driver Seat Lumbar Motor Rearward Control B3920 02 2 B3920 01 B1850 5A
1. Power seat inoperative
2. Lumbar inoperative