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 MANUALSJEEP2009WRANGLER SAHARA, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSWIRING DIAGRAMSCONNECTOR END VIEWSCONNECTOR PIN-OUTSPOWERTRAIN CONTROL MODULE (DIESEL) CONNECTOR END VIEW (C4)
2009 Jeep Wrangler Sahara, Standard
Powertrain Control Module (Diesel) Connector End View (C4)
2009 Jeep Wrangler Sahara, StandardSECTION Powertrain Control Module (Diesel) Connector End View (C4)
MODULE-POWERTRAIN CONTROL C4 - BLACK/GREEN 38 WAY (DIESEL)
| CAV | CIRCUIT | FUNCTION |
| 1 | T60 16YL/GY | OD CONTROL |
| 2 | T259 16YL/DG | 4C CONTROL |
| 3 | - | - |
| 4 | T140 16YL/GY | MS CONTROL |
| 5 | - | - |
| 6 | T219 16YL/LG | 2C CONTROL |
| 7 | - | - |
| 8 | T59 16YL/LB | UD CONTROL |
| 9 | - | - |
| 10 | T20 16DG/WT | L/R CONTROL |
| 11 | T118 16DG | LP VFS CONTROL |
| 12 | Z903 16BK | GROUND |
| 13 | Z903 16BK | GROUND |
| 14 | Z903 16BK | GROUND |
| 15 | T1 18DG/LB | TRS T1 SIGNAL |
| 16 | T3 18DG/DB | TRS T3 SIGNAL |
| 17 | - | - |
| 18 | T15 20YL/BR | TRANSMISSION CONTROL |
| 19 | T16 16YL/OR | TRANSMISSION CONTROL OUTPUT |
| 20 | T48 18BR/YL | 4C PRESSURE SIGNAL |
| 21 | T29 18YL/WT | UD PRESSURE SIGNAL |
| 22 | T9 16DG/TN | OD PRESSURE SIGNAL |
| 23 | - | - |
| 24 | - | - |
| 25 | - | - |
| 26 | T4 18DG/LB | TRS T2 SIGNAL |
| 27 | T41 18YL/DB | TRS T41 SIGNAL |
| 28 | T16 16YL/OR | TRANSMISSION CONTROL OUTPUT |
| 29 | T50 16YL/TN | L/R PRESSURE SIGNAL |
| 30 | T147 18DG/YL | 2C PRESSURE SIGNAL |
| 31 | T38 18YL/BR | LINE PRESSURE SIGNAL |
| 32 | T14 18DG/BR | OUTPUT SPEED SIGNAL |
| 33 | T52 18DG/OR | INPUT SPEED SIGNAL |
| 34 | T13 18DG/VT | SENSOR GROUND |
| 34 | T13 18DG/VT | SENSOR GROUND |
| 35 | T54 18DG/OR | TRANSMISSION TEMPERATURE SIGNAL |
| 36 | - | - |
| 37 | T42 18DG/YL | TRS T42 SIGNAL |
| 38 | T16 16YL/OR | TRANSMISSION CONTROL OUTPUT |
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:
- • 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.