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
Keyless Entry Module: Diagrams
Component ID: 157
Component : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Connector:
Name : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Color : BLACK
# of pins : 8
Pin Circuit Description
1 G20 22VT/BR IGNITION SWITCH SENSE
2 - -
3 F20 20PK/WT IGNITION SWITCH OUTPUT (RUN-START)
4 Z914 18BK GROUND
5 A412 18RD FUSED B(+) (I.O.D.)
6 D65 20WT/BK CAN C BUS (+)
7 D64 20WT/LB CAN C BUS (-)
8 - -
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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