Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Fault Information
2020 GMC Acadia SLSECTION Diagnostic Fault Information
| Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
| B+ | - | 1 | - | - |
| Tilt Switch Signal UP | 2 | 2 | - | - |
| Tilt Switch Signal DOWN | 2 | 2 | - | - |
| Telescope Switch Signal FORWARD | 3 | 3 | - | - |
| Telescope Switch Signal REARWARD | 3 | 3 | - | - |
| Tilt Motor Control Up | - | 2 | - | - |
| Tilt Motor Control Down | - | 2 | - | - |
| Telescope Motor Control FORWARD | - | 3 | - | - |
| Telescope Motor Control REARWARD | - | 3 | - | - |
| Tilt Motor Position Signal | 4 | 4 | - | 4 |
| Telescope Motor Position Signal | 5 | 5 | - | 5 |
| Tilt Motor Low Reference | - | 4 | - | - |
| Telescope Motor Low Reference | - | 5 | - | - |
| Switch Ground | - | 1 | - | - |
| Module Ground | - | 1 | - | - |
| 1. Column Tilt and Telescope Inoperative 2. Column Tilt Inoperative 3. Column Telescope Inoperative 4. Column Tilt Motor Inoperative\Erratic 5. Column Telescope Motor Inoperative\Erratic |
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.