Diagnostic Fault Information
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. 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 |
|---|---|---|---|---|
| Lumbar Switch B+ | 1, 2 | 2 | - | - |
| Power Seat Switch B+ | 1, 2 | 1 | - | - |
| Front Vertical Motor Front Down Control | 1 | 1 | - | - |
| Front Vertical Motor Front Up Control | 1 | 1 | - | - |
| Horizontal Motor Forward Control | 1 | 1 | - | - |
| Horizontal Motor Rearward Control | 1 | 1 | - | - |
| Lumbar Horizontal Motor Forward Control | 1 | 1 | - | - |
| Lumbar Horizontal Motor Rearward Control | 2 | 2 | - | - |
| Lumbar Vertical Motor Down Control | 2 | 2 | - | - |
| Lumbar Vertical Motor Up Control | 2 | 2 | - | - |
| Rear Vertical Motor Rear Down Control | 1 | 1 | - | - |
| Rear Vertical Motor Rear Up Control | 1 | 1 | - | - |
| Recline Motor Forward Control | 1 | 1 | - | - |
| Recline Motor Rearward Control | 1 | 1 | - | - |
| Lumbar Switch Ground | - | 2 | - | - |
| Power Seat Switch Ground | - | 1 | - | - |
| 1. Power Seats Inoperative 2. Lumbar Support Inoperative |
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