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.
Range Reference (Transitional State)
2001 Chevrolet Suburban C1500SECTION Range Reference (Transitional State)
WARNING: This page is about a different car, the 2001 GMC Sierra, 2001 GMC Cab & Chassis Sierra, 2001 Chevrolet Silverado, and 2001 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Range Reference (Transitional State)
| Logic State | Clutches Exhausted | Clutches To Main | Trim Solenoids | Shift Solenoids (0 = OFF, 1 = ON ) |
TCC Solenoid | |||
|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | |||
| R-N | C1, C2, C4 | - | *C3/C5 | **EX (C3) | 1 | 1 | 1 | 0 |
| N-R | C1, C2, C5 | - | *C5/C3 | C5 | 1 | 1 | 1 | 0 |
| N-1 | C2, C3, C4 | - | C5 | C1 | 1 | 1 | 1 | 0 |
| 1-N | C2, C3, C4 | - | C5 | **EX (C1) | 1 | 1 | 1 | 0 |
| 1-2 | C2, C3 | C1 | EX (C5) | C4 | 0 | 1 | 0 | 0 |
| 2-1 | C2, C3 | C1 | C5 | EX (C4) | 0 | 1 | 0 | 0 |
| 2-3 | C2, C5 | C1 | C3 | EX (C4) | 0 | 0 | 0 | 1 |
| 3-2 | C2, C5 | C1 | EX (C3) | C4 | 0 | 0 | 0 | 1 |
| 3-4 | C4, C5 | C1 | EX (C3) | C2 | 1 | 0 | 0 | 1 |
| 4-3 | C4, C5 | C1 | C3 | EX (C2) | 1 | 0 | 0 | 1 |
| 4-5 | C4, C5 | C2 | C3 | EX (C1) | 1 | 0 | 1 | 1 |
| 5-4 | C4, C5 | C2 | EX (C3) | C1 | 1 | 0 | 1 | 1 |
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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.