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 DIAGNOSISELECTRICALWIRING DIAGRAMSWIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - A/C COMPRESSOR THROUGH ELECTRONIC POWER STEERING MODULE X1COMPONENT CONNECTOR END VIEWSELECTRONIC POWER STEERING MOTOR CONTROL MODULE X1 (HP2)
2011 Chevrolet Tahoe Base, 5.3 0, 4WD
Electronic Power Steering Motor Control Module X1 (HP2)
2011 Chevrolet Tahoe Base, 5.3 0, 4WDSECTION Electronic Power Steering Motor Control Module X1 (HP2)
Electronic Power Steering Motor Control Module X1 (HP2)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 2 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 3 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 4 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus- |
| 5 | 0.5 L-BU | 5986 | Serial Data Communication Enable |
| 6 | 0.5 RD/WH | 40 | Battery Positive Voltage |
Connector Part Information
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Terminal Part Information
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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.