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 Base, 4.7 N, RWDFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module Connector End View (C1)
MODULE-POWERTRAIN CONTROL C1 - BLACK/BLACK 38-WAY
| CAV | CIRCUIT | FUNCTION |
| 1 | K98 16DB/YL | COIL CONTROL NO. 8 (4.7L/5.7L) |
| 2 | - | - |
| 3 | K97 16BR | COIL CONTROL NO. 7 (4.7L/5.7L) |
| 4 | K28 16BR/LB | INJECTOR CONTROL NO. 8 (4.7L/5.7L) |
| 5 | K26 16BR/YL | INJECTOR CONTROL NO. 7 (4.7L/5.7L) |
| 6 | - | - |
| 7 | - | - |
| 8 | - | - |
| 9 | Z816 16BK | GROUND |
| 10 | A209 18RD | FUSED B(+) |
| 11 | F942 20PK/LG | FUSED IGNITION SWITCH OUTPUT (RUN-START) |
| 12 | F1 20PK/WT | FUSED IGNITION SWITCH OUTPUT (RUN-START) (4.7L/5.7L) |
| 13 | - | - |
| 14 | - | - |
| 15 | - | - |
| 16 | - | - |
| 17 | - | - |
| 18 | Z130 16BK/BR | GROUND |
| 19 | - | - |
| 20 | G6 20VT/GY | ENGINE OIL PRESSURE SIGNAL |
| 21 | - | - |
| 22 | - | - |
| 23 | - | - |
| 24 | A803 16LB | GEN SENSE |
| 25 | - | - |
| 26 | - | - |
| 27 | F856 20YL/PK | 5 VOLT SUPPLY |
| 28 | K452 20BR/LB | MDS SOL CONTROL NO. 4 (5.7L) |
| 29 | A209 18RD | FUSED B(+) |
| 30 | F26 18PK/OR | IGNITION SWITCH OUTPUT (START) |
| 31 | K141 20DB/YL | O2 1/2 SIGNAL |
| 32 | K902 20BR/DG | O2 RETURN (UPSTREAM) |
| 33 | K243 20BR | O2 2/2 SIGNAL |
| 34 | D65 20WT/LG | CAN C BUS (+) |
| 35 | D64 20WT/LB | CAN C BUS (-) |
| 36 | - | - |
| 37 | - | - |
| 38 | F42 16DG/LG | FUSED ASD RELAY OUTPUT |
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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