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 FRAMELOCKSPOWER LOCKSTESTING AND INSPECTIONPROGRAMMING AND RELEARNING
2009 Mitsubishi Lancer L4-2.4L (4B12)
Programming and Relearning
2009 Mitsubishi Lancer L4-2.4L (4B12)SECTION Programming and Relearning
CUSTOMIZE FUNCTION
With the scan tool MB991958 operation, the following functions can be programmed. The programmed information is held even when the battery is disconnected.

With the scan tool MB991958 operation, the following functions can be programmed. The programmed information is held even when the battery is disconnected.
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.