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 |
|---|---|---|---|---|
| B+ | 1 | 1 | - | - |
| B+ | 2 | 2 | - | - |
| Front Vertical Down Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Front Vertical Up Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Horizontal Forward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Horizontal Rearward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Lumbar Down Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Lumbar Up Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Lumbar Forward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Lumbar Rearward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Rear Vertical Down Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Rear Vertical Up Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Recline Forward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Recline Rearward Switch Signal | 2 | 1 | B1735 01, B1740 01, B1745 01, B1750 01, B1755 01, B1760 01, B1815 01, B1820 01 | - |
| Front Vertical Motor Front Down Control | B3920 02 | 1 | B3920 01 | B2355 5A |
| Front Vertical Motor Front Up Control | B3920 02 | 1 | B3920 01 | B2355 5A |
| Horizontal Motor Forward Control | B3920 02 | 1 | B3920 01 | B2375 5A |
| Horizontal Motor Rearward Control | B3920 02 | 1 | B3920 01 | B2375 5A |
| Lumbar Horizontal Motor Forward Control | B3920 02 | 1 | B3920 01 | B1850 5A |
| Lumbar Horizontal Motor Rearward Control | B3920 02 | 1 | B3920 01 | B1850 5A |
| Lumbar Vertical Motor Down Control | B3920 02 | 1 | B3920 01 | B1860 5A |
| Lumbar Vertical Motor Up Control | B3920 02 | 1 | B3920 01 | B1860 5A |
| Rear Vertical Motor Rear Down Control | B3920 02 | 1 | B3920 01 | B2365 5A |
| Rear Vertical Motor Rear Up Control | B3920 02 | 1 | B3920 01 | B2365 5A |
| Recline Motor Forward Control | B3920 02 | 1 | B3920 01 | B1825 5A |
| Recline Motor Rearward Control | B3920 02 | 1 | B3920 01 | B1825 5A |
| Ground | - | - | - | - |
| Ground | - | - | - | - |
| 1. Driver power seat, lumbar, and memory functions inoperative 2. Scan Tool Does Not Communicate with Low Speed GMLAN Device |
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