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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 488 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - A/C COMPRESSOR THROUGH ELECTRONIC POWER STEERING MODULE X1)COMPONENT CONNECTOR END VIEWSELECTRONIC BRAKE CONTROL MODULE (EBCM) (HP2)
2009 Chevrolet Tahoe Base, 4.8 C
Electronic Brake Control Module (EBCM) (HP2)
2009 Chevrolet Tahoe Base, 4.8 CSECTION Electronic Brake Control Module (EBCM) (HP2)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Electronic Brake Control Module (EBCM) (HP2)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| 1 | 5 RD/BK | 1742 | Battery Positive Voltage |
| 2 | 0.5 BN | 882 | Wheel Speed Sensor (WSS) - Right Rear Signal |
| 3 | 0.5 GY/BK | 7128 | 12-Volt Reference |
| 4 | 0.5 GY/BK | 7127 | 12-Volt Reference |
| 5 | 0.5 TN | 884 | Wheel Speed Sensor (WSS) - Left Rear Signal |
| 6 | 0.5 D-GN | 872 | Wheel Speed Sensor (WSS) - Right Front Signal |
| 7 | 0.5 YE | 6046 | Steering Angle Sensor - Phase A |
| 8 | 0.5 TN | 6048 | Steering Angle Sensor - Index |
| 9 | 0.5 RD/BK | 442 | Brake Master Cylinder Piston Position Sensor Signal |
| 10 | - | - | Not Used |
| 11 | 0.5 L-BU/WH | 6311 | Brake Applied Signal |
| 12 | 0.5 L-BU | 5986 | Serial Data Communication Enable |
| 13 | 5 BK | 2150 | Ground |
| 14 | 0.5 PK | 439 | Ignition Voltage |
| 15 | 0.5 OG/BK | 6045 | Low Reference |
| 16 | 0.5 L-GN | 6043 | Steering Angle Sensor Signal |
| 17 | 0.5 GY/WH | 7065 | 12-Volt Reference |
| 18 | 0.5 TN | 948 | Ignition Voltage |
| 19 | 0.5 GY | 6044 | 5-Volt Reference |
| 20 | 0.5 D-BU | 6047 | Steering Angle Sensor - Phase B |
| 21 | 0.5 L-BU | 6106 | PTLAN - |
| 22 | 0.5 L-BU/WH | 6106 | PTLAN - |
| 23 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 24 | 0.5 TN | 2501 | High Speed GMLAN Serial Data Bus - |
| 25 | 3 RD/BK | 442 | Battery Positive Voltage |
| 26-27 | - | - | Not Used |
| 28 | 0.5 GY/WH | 7064 | 12-Volt Reference |
| 29 | 0.5 L-BU/BK | 830 | Wheel Speed Sensor (WSS) - Left Front Signal |
| 30 | 0.5 TN/WH | 950 | Yaw Rate and Lateral Acceleration Sensor Ground |
| 31 | 0.5 RD | 442 | 5-Volt Reference |
| 32 | 0.5 D-GN/WH | 817 | Vehicle Speed Signal |
| 33 | 0.5 D-BU | 6105 | PTLAN + |
| 34 | 0.5 D-BU/WH | 6105 | PTLAN + |
| 35 | 0.5 RD/BK | 442 | Brake Master Cylinder Piston Position Sensor Signal |
| 36 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 37 | 0.5 TN/BK | 2500 | High Speed GMLAN Serial Data Bus + |
| 38 | 3 BK | 2150 | Ground |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.