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.
2007 Jeep Wrangler V6-3.8LFACTORY OEM SERVICE PROCEDURE
Alarm Module, (Vehicle Antitheft)
Component ID: 157
Component : MODULE-INTRUSION TRANSCEIVER
Connector:
Name : MODULE-INTRUSION TRANSCEIVER
Color : BLACK
# of pins : 12
Qualifier : (RHD)
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A412 18RD
2 - -
3 - -
4 - -
5 SIREN SIGNAL CONTROL D96 20WT/LB
6 CAN INTERIOR BUS (+) D265 20WT/OR
7 GROUND Z910 18BK/WT
8 - -
9 - -
10 - -
11 LIN BUS D122 20WT/LG
12 CAN INTERIOR BUS (-) D264 20WT
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.