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.
2008 Jeep Commander Overland, RWDFACTORY OEM SERVICE PROCEDURE
Antilock Brakes Module Connector End View
MODULE-ANTILOCK BRAKES - 47-WAY
| CAV | CIRCUIT | FUNCTION |
| 1 | A107 12TN/RD | FUSED B(+) (PUMP) |
| 2 | - | - |
| 3 | - | - |
| 4 | B46 18LDG/WT | ESP/TCS ON/OFF SWITCH SENSE |
| 5 | - | - |
| 6 | B15 20DG/WT | BRAKE SWITCH NO. 1 SIGNAL |
| 7 | - | - |
| 8 | F943 18PK/LG | FUSED IGNITION SWITCH OUTPUT (RUN-START) |
| 9 | - | - |
| 10 | D223 18WT/VT | SCI TRANSMIT (TCM) |
| 11 | - | - |
| 12 | D65 18WT/LG | CAN C BUS (+) |
| 13 | D64 18WT/LB | CAN C BUS (-) |
| 14 | - | - |
| 15 | - | - |
| 16 | Z127 12BK/DG | GROUND |
| 17 | - | - |
| 18 | D52 18WT/LB | DYNAMICS SENSOR HIGH DATA LINK |
| 19 | D51 18PK/RD | DYNAMICS SENSOR LOW DATA LINK |
| 20 | - | - |
| 21 | - | - |
| 22 | G4 18VT/LB | DYNAMICS SENSOR SUPPLY |
| 23 | - | - |
| 24 | - | - |
| 25 | - | |
| 26 | B31 18DG/PK | VACUUM PRESSURE SENSOR SUPPLY |
| 27 | B33 18DG/BR | VACUUM PRESSURE SENSOR RETURN |
| 28 | - | - |
| 29 | G94 18VT/DB | DYNAMICS SENSOR GROUND |
| 30 | B34 18DG/OR | VACUUM PRESSURE SENSOR SIGNAL 2 |
| 31 | - | - |
| 32 | A200 12RD/DG | FUSED B(+) (VALVE) |
| 33 | B6 18DG/TN | RIGHT FRONT WHEEL SPEED SENSOR SIGNAL |
| 34 | B7 18DG/VT | RIGHT FRONT WHEEL SPEED SENSOR SUPPLY |
| 35 | - | - |
| 36 | B4 18LG/YL | LEFT REAR WHEEL SPEED SENSOR SUPPLY |
| 37 | B3 18DG/YL | LEFT REAR WHEEL SPEED SENSOR SIGNAL |
| 38 | - | - |
| 39 | - | - |
| 40 | - | - |
| 41 | B32 18DG/GY | VACUUM PRESSURE SENSOR SIGNAL 1 |
| 42 | B1 18DG/DB | RIGHT REAR WHEEL SPEED SENSOR SIGNAL |
| 43 | B2 18DG/LB | RIGHT REAR WHEEL SPEED SENSOR SUPPLY |
| 44 | - | - |
| 45 | B9 18DG/LG | LEFT FRONT WHEEL SPEED SENSOR SUPPLY |
| 46 | B8 18DG/TN | LEFT FRONT WHEEL SPEED SENSOR SIGNAL |
| 47 | Z107 12BK/DG | GROUND |
Factory Service Tools
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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.
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