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 Wrangler 4WD V6-3.8LFACTORY OEM SERVICE PROCEDURE
Transmission Position Sensor/Switch, A/T
Component ID: 308
Component : SENSOR-TRANSMISSION RANGE
Connector:
Name : SENSOR-TRANSMISSION RANGE
Color : LT. GREEN
# of pins : 10
Qualifier : (RLE)
Pin Circuit Description
1 - -
2 - -
3 T13 18DG/VT SENSOR GROUND
4 T54 18DG/OR TRANSMISSION TEMPERATURE SIGNAL
5 - -
6 - -
7 T1 18DG/LB TRS T1 SIGNAL
8 T3 18DG/DB TRS T3 SIGNAL
9 T42 18DG/YL TRS T42 SIGNAL
10 T41 18YL/DB TRS T41 SIGNAL
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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