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 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE
C104
Component ID: 23
Component : C104
Connector:
Name : C104
Color :
# of pins : 16
Qualifier : (GAS)
Gender : FEMALE
Pin Circuit Description
1 T13 20DG/VT SENSOR GROUND
Pin Circuit Description
1 T16 16YL/OR TRANSMISSION CONTROL OUTPUT
2 T54 20DG/WT TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 T15 20YL/BR TRANSMISSION CONTROL
3 T70 20YL INPUT SPEED SENSOR 1 (N2) SIGNAL
3 K900 20DB/DG SENSOR GROUND
4 T71 20YL/OR INPUT SPEED SENSOR 2 (N3) SIGNAL
5 T72 20YL/DB SENSOR SUPPLY VOLTAGE
6 T76 20YL/TN MODULATION PRESSURE SOLENOID CONTROL
7 F42 16DG/LG FUSED ASD RELAY OUTPUT
8 C3 18DB/YL A/C CLUTCH RELAY OUTPUT
9 A15 16RD/TN FUSED ASD RELAY OUTPUT
10 D64 20WT/LB CAN C BUS (-)
11 D65 20WT/LG CAN C BUS (+)
12 A209 18RD FUSED B(+)
13 F26 18PK/OR IGNITION SWITCH OUTPUT (START)
14 F942 20PK/LG FUSED IGNITION SWITCH OUTPUT (RUN-START)
15 K900 20DB/DG SENSOR GROUND
16 - -
Component Location - 17
Component Location - 25
Component Location - 6
Component Location - 18
Connector:
Name : C104
Color :
# of pins : 16
Qualifier : (GAS)
Gender : FEMALE
Pin Circuit Description
1 T13 20DG/VT SENSOR GROUND
Pin Circuit Description
1 T16 16YL/OR TRANSMISSION CONTROL OUTPUT
2 T54 20DG/WT TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 T15 20YL/BR TRANSMISSION CONTROL
3 T70 20YL INPUT SPEED SENSOR 1 (N2) SIGNAL
4 T71 20YL/OR INPUT SPEED SENSOR 2 (N3) SIGNAL
5 T72 20YL/DB SENSOR SUPPLY VOLTAGE
6 T76 20YL/TN MODULATION PRESSURE SOLENOID CONTROL
7 F42 16DG/LG FUSED ASD RELAY OUTPUT
8 C3 18DB/YL A/C CLUTCH RELAY OUTPUT
9 A15 16RD/TN FUSED ASD RELAY OUTPUT
10 D64 20WT/LB CAN C BUS (-)
11 D65 20WT/LG CAN C BUS (+)
12 A209 18RD FUSED B(+)
13 F26 18PK/OR IGNITION SWITCH OUTPUT (START)
13 F26 16PK/OR IGNITION SWITCH OUTPUT (START)
14 F942 20PK/LG FUSED IGNITION SWITCH OUTPUT (RUN-START)
15 - -
16 - -
Component Location - 17
Component Location - 25
Component Location - 6
Component Location - 18
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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