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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 301 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B3920: Seat Motors Group 1 Common Circuit >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 GMC Acadia. 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
Seat Front Vertical Motor Down Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Seat Front Vertical Motor Up Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Seat Horizontal Motor Forward Control B3920 02 2 B3920 01 B3920 00, B3920 0B
Seat Horizontal Motor Rearward Control B3920 02 2 B3920 01 B3920 00, B3920 0B
Seat Rear Vertical Motor Down Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Seat Rear Vertical Motor Up Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Seat Recline Motor Forward Control B3920 02 4 B3920 01 B3920 00, B3920 0B
Seat Recline Motor Rearward Control B3920 02 4 B3920 01 B3920 00, B3920 0B
1. The seat front vertical motor is inoperative
2. The seat horizontal motor is inoperative
3. The seat rear vertical motor is inoperative
4. The seat recline motor is inoperative