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 Compass Limited, AWD, StandardFACTORY OEM SERVICE PROCEDURE
Antilock Brakes Module Connector End View
MODULE-ANTI-LOCK BRAKES - BLACK 47 WAY FEMALE
| CAV | CIRCUIT | FUNCTION |
| 1 | A921 12RD/DB | FUSED B(+) (PUMP) |
| 2 | - | - |
| 3 | - | - |
| 4 | - | - |
| 5 | - | - |
| 6 | - | - |
| 7 | - | - |
| 8 | F202 18PK/GY | IGNITION SWITCH OUTPUT (RUN-START) |
| 9 | - | - |
| 10 | - | - |
| 11 | - | - |
| 12 | D65 20WT/BK | CAN C BUS (+) |
| 13 | D64 20WT/LB | CAN C BUS (-) |
| 14 | - | - |
| 15 | - | - |
| 16 | Z909 12BK/WT | GROUND |
| 17 | - | - |
| 18 | D465 20WT/DB | DYNAMICS SENSOR HIGH DATA LINK (ESP) |
| 19 | D464 20WT/YL | DYNAMICS SENSOR LOW DATA LINK (ESP) |
| 20 | - | - |
| 21 | - | - |
| 22 | G4 20VT/LB | DYNAMICS SENSOR SUPPLY (DIESEL 6 SPEED MTX ESP) |
| 22 | G4 18VT/LB | DYNAMICS SENSOR SUPPLY (EXCEPT DIESEL 6 SPEED MTX ESP) |
| 23 | - | - |
| 24 | - | - |
| 25 | - | - |
| 26 | - | - |
| 27 | - | - |
| 28 | - | - |
| 29 | G94 20VT/DB | DYNAMICS SENSOR GROUND (DIESEL 6 SPEED MTX ESP) |
| 29 | G94 18VT/DB | DYNAMICS SENSOR GROUND (EXCEPT DIESEL 6 SPEED MTX ESP) |
| 30 | - | - |
| 31 | - | - |
| 32 | A922 14RD/BK | FUSED B(+) (VALVE) |
| 33 | B6 20WT/DB | RIGHT FRONT WHEEL SPEED SENSOR SIGNAL |
| 34 | B7 20WT | RIGHT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY |
| 35 | B122 20DG/LG | HILL DESCENT RELAY CONTROL (HILL DESCENT) |
| 36 | B4 20LG/BK | LEFT REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY |
| 37 | B3 20LG/DB | LEFT REAR WHEEL SPEED SENSOR SIGNAL |
| 38 | - | - |
| 39 | - | - |
| 40 | - | - |
| 41 | - | - |
| 42 | B1 20YL/DB | RIGHT REAR WHEEL SPEED SENSOR SIGNAL |
| 43 | B2 20DG/LB | RIGHT REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY |
| 44 | - | - |
| 45 | B9 20DG/LG | LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUPPLY |
| 46 | B8 20DG/TN | LEFT FRONT WHEEL SPEED SENSOR SIGNAL |
| 47 | Z909 12BK/WT | 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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