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 B1825, B1850, B1860, B2105, B2355, B2365, or B2375
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| Memory Seat/Mirror Sensor Low Reference | - | B1825 01, B1850 01, B1860 01, B2105 01, B2355 01, B2365 01, B2375 01 | - | B1825 5A, B1850 5A, B1860 5A, B2355 5A, B2365 5A, B2375 5A |
| 5-Volt Reference | B1395 02, B1825 06, B1850 06, B1860 06, B2105 06, B2355 06, B2365 06, B2375 06 | B1825 06, B1850 06, B1860 06, B2105 06, B2355 06, B2365 06, B2375 06 | B1395 05, B1825 01, B1850 01, B1860 01, B2105 01, B2355 01, B2365 01, B2375 01 | B1825 5A, B1850 5A, B1860 5A, B2355 5A, B2365 5A, B2375 5A |
| Driver Seat Front Vertical Position Sensor Signal | B2355 06 | B2355 06 | B2355 01 | - |
| Driver Seat Rear Vertical Position Sensor Signal | B2365 06 | B2365 06 | B2365 01 | - |
| Driver Seat Horizontal Position Sensor Signal | B2375 06 | B2375 06 | B2375 01 | - |
| Driver Seat Lumbar Vertical Position Sensor Signal | B1860 06 | B1860 06 | B1860 01 | - |
| Driver Seat Lumbar Horizontal Position Sensor Signal | B1850 06 | B1850 06 | B1850 01 | - |
| Driver Seat Recline Position Sensor Signal | B1825 06 | B1825 06 | B1825 01 | - |
| 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 Down Control | B3920 02 | 2 | B3920 01 | B1860 5A |
| Driver Seat Lumbar Motor Up Control | B3920 02 | 2 | B3920 01 | B1860 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 |
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