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.
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HOMESERVICE MANUALSCHEVROLET2011TAHOE BASE, 5.3 0, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 237 (AUTOMATIC TRANSMISSION - 4L80-E/4L85-E (SERVICE & REPLACEMENT))SPECIFICATIONSCOMPONENT RESISTANCE
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Component Resistance
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Component Resistance
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Component Resistance
| Component | Pass Thru Pins | Resistance at 20°C | Resistance at 100°C | Resistance to Ground (Case) | ||
|---|---|---|---|---|---|---|
| 1-2 Shift Solenoid Valve | A, E | 19-24 Ω | 24-31 Ω | Greater than 250 K Ω | ||
| 2-3 Shift Solenoid Valve | B, E | 19-24 Ω | 24-31 Ω | Greater than 250 K Ω | ||
| TCC PWM Solenoid Valve | S, E | 10-11 Ω | 13-15 Ω | Greater than 250 K Ω | ||
| Pressure Control Solenoid Valve | C, D | 3-5 Ω | 4-7 Ω | Greater than 250 K Ω | ||
| Transmission Fluid Temperature (TFT) Sensor (1) | M, L | 3088-3942 Ω | 159.3-198.0 Ω | Greater than 10 M Ω | ||
| Vehicle Speed Sensor (AT ISS/AT OSS) | A, B | 1420 Ω 25°C | 2140 Ω 150°C | Greater than 10 M Ω | ||
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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.