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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 272 (Power Seat System) >> Diagnostic Information and Procedures >> DTC B3920: Seat Motors Group 1 Common Circuit (Without W2E) >> Diagnostic Fault Information

Diagnostic Fault Information

WARNING: This page is about a different car, the 2017 Cadillac ATS. 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 Power Seat Front Vertical Motor Down Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Front Vertical Motor Up Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Horizontal Motor Forward Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Horizontal Motor Rearward Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Rear Vertical Motor Down Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Rear Vertical Motor Up Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Recline Motor Forward Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Recline Motor Rearward Control B3920 02 1 B3920 01 B3920 00, B3920 0B
Driver Power Seat Lumbar Motor Forward Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Driver Power Seat Lumbar Motor Rearward Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Driver Power Seat Bolster Motor In Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Driver Power Seat Bolster Motor Out Control B3920 02 3 B3920 01 B3920 00, B3920 0B
Passenger Power Seat Horizontal Motor Forward Control B3920 02 2 B3920 01 B3920 00, B3920 0B
Passenger Power Seat Horizontal Motor Rearward Control B3920 02 2 B3920 01 B3920 00, B3920 0B
1. Driver power seat and memory functions are inoperative
2. Passenger power seat horizontal motor is inoperative
3. Driver lumbar/bolster functions are inoperative