Go to Advanced Autos and have them check computer with code reader. They can reset the code once you know what it is. Unless you fix the problem though the code will reappear and the light will come back on.
Based on numerous internet searches the code means you check engine light is on.
The light is on for a reason. To start with, have your local auto parts store read the diagnostic trouble codes. Then post the results here with a new question.
how i reset check enging light manually at mitsubishi fuso 4m50
Front or back?
Phone your local Mitsubishi dealer
See sources and related links below for the 2002 Mitsubishi Lancer headlight bulb info.
The check engine light on a 2004 Mitsubishi Lancer can be triggered by various issues, including a loose or damaged gas cap, problems with the oxygen sensor, or issues with the catalytic converter. Other potential causes include malfunctioning spark plugs, fuel injectors, or engine misfires. It's important to diagnose the specific issue using an OBD-II scanner to retrieve error codes, which can help identify the underlying problem. Regular maintenance can help prevent some of these issues from arising.
In a 2004 Mitsubishi Lancer replacing the rear light bulb is relatively easy. First remove the plastic cover from the dome light. Unscrew the light bulb and insert the replacement.
To reset a 2006 Mitsubishi Lancer ES, you can disconnect the battery by removing the negative terminal for about 10-15 minutes. This will clear the engine control unit (ECU) and reset the check engine light. Alternatively, if you're looking to reset the trip odometer or clock, you can do so by pressing the appropriate buttons on the dashboard. Always refer to the owner’s manual for specific instructions related to your vehicle.
Check engine light refers to the emission system - have vehicle scanned to determine problem
To reset the periodic inspection light on a Mitsubishi Lancer, first, turn the ignition key to the "ON" position without starting the engine. Then, press the gas pedal three times within 10 seconds. After that, turn the ignition off and then back on to complete the reset. The inspection light should now be cleared.
To reset the low tire pressure light on a 2009 Mitsubishi Lancer, start by ensuring all tires are properly inflated to the recommended pressure. Then, turn the ignition to the "ON" position without starting the engine. Press the tire pressure monitor reset button, typically located under the steering wheel or near the driver's side door, until the light blinks three times. Finally, turn off the ignition and start the engine to check if the warning light has turned off.