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 Dodge and Ram Durango 3.7 K, 42RLEFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module Connector End View (C2)
MODULE-POWERTRAIN CONTROL C2 - BLACK/ORANGE 38 WAY
| CAV | CIRCUIT | FUNCTION |
| 1 | K10 16VT/LB | COIL CONTROL NO. 6 |
| 2 | K16 16DG/WT | COIL CONTROL NO. 5 |
| 3 | K15 16DB | COIL CONTROL NO. 4 |
| 4 | K58 16PK/DB | INJECTOR CONTROL NO. 6 |
| 5 | K38 16YL/RD | INJECTOR CONTROL NO. 5 |
| 6 | K447 20TN/YL (5.7L) | ETC MOTOR (+) |
| 7 | K18 16VT/RD | COIL CONTROL NO. 3 |
| 8 | K35 20LB/RD (4.7L/5.7L) | EGR SOL CONTROL |
| 9 | K17 16DB/TN | COIL CONTROL NO. 2 |
| 10 | K19 16LB/RD | COIL CONTROL NO. 1 |
| 11 | K14 16YL/LB | INJECTOR CONTROL NO. 4 |
| 12 | K13 16PK/DB | INJECTOR CONTROL NO. 3 |
| 13 | K12 16BR/DB | INJECTOR CONTROL NO. 2 |
| 14 | K11 16BR/YL | INJECTOR CONTROL NO. 1 |
| 15 | K922 20PK/GY (5.7L) | TP SENSOR RETURN |
| 16 | K453 20 BR/DG (5.7L) | MDS SOL CONTROL NO. 6 |
| 17 | K199 20GY/LB | O2 2/1 HEATER CONTROL |
| 18 | K99 20LB/WT | O2 1/1 HEATER CONTROL |
| 19 | K20 18BR/GY | GEN FIELD CONTROL |
| 20 | K2 20LB/RD | APPS NO. 1 SIGNAL |
| 21 | K22 20YL/DG (5.7L) | TP NO. 1 SIGNAL |
| 22 | K34 20LB/GY (4.7L/5.7L) | EGR SIGNAL |
| 23 | K1 20VT/BR | MAP SIGNAL |
| 24 | K942 20YL/DG | KNOCK SENSOR NO. 1 RETURN |
| 25 | K42 20DB/OR | KNOCK SENSOR NO. 1 SIGNAL |
| 26 | - | - |
| 27 | K900 20DB/DG | SENSOR GROUND |
| 28 | K961 20BR/VT (3.7L/4.7L) | IAC SIGNAL |
| 28 | K122 20PK/LB (5.7L) | TP NO. 2 SIGNAL |
| 29 | F855 20PK/YL | 5 VOLT SUPPLY |
| 30 | K21 20BR/WT | IAT SIGNAL |
| 31 | K41 20DB/LB | O2 1/1 SIGNAL |
| 32 | K904 20DB/DG | O2 RETURN (DOWNSTREAM) |
| 33 | K43 20DB/LG | O2 2/1 SIGNAL |
| 34 | K44 20TN/LB | CMP SIGNAL |
| 35 | K24 20VT/DG | CKP SIGNAL |
| 36 | K242 20DB/OR | KNOCK SENSOR NO. 2 SIGNAL |
| 37 | K924 20DG/RD | KNOCK SENSOR NO. 2 RETURN |
| 38 | K61 20VT/GY (3.7L/4.7L) | IAC CONTROL |
| 38 | K448 20TN/OR (5.7L) | ETC MOTOR (-) |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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