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.
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HOMESERVICE MANUALSMITSUBISHI2009LANCER L4-2.4L (4B12)REPAIR AND DIAGNOSISBODY AND FRAMEBODY CONTROL SYSTEMSSERVICE AND REPAIRREMOVAL AND REPLACEMENT
2009 Mitsubishi Lancer L4-2.4L (4B12)
Removal and Replacement
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION Removal and Replacement
Wireless Control Module
REMOVAL AND INSTALLATION
CAUTION: When WCM has been replaced, all key ID codes should be registered, referring to the ID code registration judgment table.

INSTALLATION SERVICE POINT
[A] WCM INSTALLATION
Check that the top claw of WCM is fixed securely to the boss of steering lock and the antenna is not floated on the key cylinder.
REMOVAL AND INSTALLATION
CAUTION: When WCM has been replaced, all key ID codes should be registered, referring to the ID code registration judgment table.
Removal Steps 1-4:
INSTALLATION SERVICE POINT
[A] WCM INSTALLATION
Check that the top claw of WCM is fixed securely to the boss of steering lock and the antenna is not floated on the key cylinder.
RENDER: 1.0x
NO RELATED
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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.