Diagnostic Fault Information
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
DTC B1340
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Driver Seat Lumbar Motor Down Control | B3920 02 | 1 | B3920 01 | B1340 00 B1340 0B |
| Driver Seat Lumbar Motor Up Control | B3920 02 | 1 | B3920 01 | B1340 00 B1340 0B |
| Passenger Seat Lumbar Motor Down Control | B3920 02 | 1 | B3920 01 | B1340 00 B1340 0B |
| Passenger Seat Lumbar Motor Up Control | B3920 02 | 1 | B3920 01 | B1340 00 B1340 0B |
| Steering Column Telescope Motor Control - Forward | B3920 02 | 2 | B3920 01 | B1340 00 B1340 0B |
| Steering Column Telescope Motor Control - Reverse | B3920 02 | 2 | B3920 01 | B1340 00 B1340 0B |
| Steering Column Tilt Motor Control - Down | B3920 02 | 3 | B3920 01 | B1340 00 B1340 0B |
| Steering Column Tilt Motor Control - Up | B3920 02 | 3 | B3920 01 | B1340 00 B1340 0B |
| 1. Lumbar Support Inoperative with Memory - A45 2. Steering Column Does Not Telescope In/Out 3. Steering Column Does Not Tilt Up/Down |
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