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.
2006 Chevrolet Cobalt SS, 4D Sedan, StandardFACTORY OEM SERVICE PROCEDURE
Electronic Brake Control Module (EBCM) Connector End View (JM4/JL9)
Electronic Brake Control Module (EBCM) (JM4/JL9)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | BK | 350 | Ground |
| 2-11 | - | - | Not Used |
| 12 | OG | 885 | Wheel Speed Sensor Low Reference Left Rear |
| 13 | TN | 884 | Wheel Speed Sensor Signal Left Rear |
| 14-15 | - | - | Not Used |
| 16 | PK | 1439 | Run/Crank Ignition 1 Voltage |
| 17-20 | - | - | Not Used |
| 21 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) |
| 22 | TN | 2501 | High Speed GMLAN Serial Data (-) (1) |
| 23 | - | - | Not Used |
| 24 | TN | 833 | Wheel Speed Sensor Low Reference Right Front |
| 25-26 | - | - | Not Used |
| 27 | L-BU | 830 | Wheel Speed Sensor Signal Left Front |
| 28 | YE | 873 | Left Front Wheel Speed Sensor Low Reference |
| 29-30 | - | - | Not Used |
| 31 | BK | 350 | Ground |
| 32-35 | - | - | Not Used |
| 36 | TN/BK | 2500 | High Speed GMLAN Serial Data (+) (1) |
| 37 | TN | 2501 | High Speed GMLAN Serial Data (-) (1) |
| 38 | - | - | Not Used |
| 39 | D-GN | 872 | Wheel Speed Sensor Signal Right Front |
| 40 | - | - | Not Used |
| 41 | L-BU | 20 | Stop Lamp Supply Voltage |
| 42 | BN | 882 | Wheel Speed Sensor Signal Right Rear |
| 43 | WH | 883 | Wheel Speed Sensor Low Reference Right Rear |
| 44-45 | - | - | Not Used |
| 46 | RD/BK | 542 | Battery Positive Voltage |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.