How to Program a Mitsubishi Car Key Remote: A DIY Guide

Are you looking to upgrade your standard Mitsubishi car key to a more convenient flip key remote? Or perhaps you need to reprogram your existing remote after battery replacement or a malfunction? Many Mitsubishi owners find themselves in this situation, and fortunately, in some cases, you can tackle this process yourself. This guide, inspired by community insights, will walk you through the general steps involved in programming a Mitsubishi car key remote.

While specific procedures can vary depending on your Mitsubishi model and year, the fundamental process often involves transferring components and potentially using the OBDII port for remote programming. Let’s break down the key steps.

First, understand the components within your Mitsubishi key. Older style keys, and even some aftermarket keys, often contain two main parts: the transponder chip and the remote fob. The transponder chip is a small, usually black, component embedded within the key. This chip is crucial for starting your car as it communicates with the vehicle’s immobilizer system. The remote fob, on the other hand, controls functions like locking, unlocking, and sometimes opening the trunk.

Alt text: Close-up of a Mitsubishi aftermarket key, highlighting its construction and potential for modification to a flip key remote.

If you’re converting to a flip key, the initial step involves carefully disassembling your existing key. By gently prying open the key casing, you should be able to locate the transponder chip. It’s often housed in a small holder. Carefully remove this chip. Your new flip key case should have a designated cavity to house this transponder. Securely place the transponder chip into the flip key. This step is essential for your car to recognize the new key and allow the engine to start.

Next is the remote fob programming. This is where the procedure can become more model-specific. While some older Mitsubishi models might allow for a manual programming sequence, often involving turning the ignition key in a specific pattern and pressing buttons on the remote, other methods might be necessary. Some community sources suggest that for certain Mitsubishi models, you can program the remote portion using the OBDII (On-Board Diagnostics II) port and potentially a paper clip for grounding or initiating the programming sequence.

Disclaimer: It’s important to note that using a paper clip and the OBDII port for key programming is not an officially documented or universally recognized method by Mitsubishi. Exercise extreme caution if attempting such procedures, as incorrect actions could potentially damage your vehicle’s electrical system. Always consult your Mitsubishi owner’s manual or a trusted automotive repair professional for the most accurate and safe programming methods for your specific vehicle.

If you are considering purchasing a used key fob for programming, ensure it is compatible with your Mitsubishi model and frequency. Dismantle the used key to retrieve the fob module and integrate it into your flip key remote.

Before you start dismantling any keys, it’s highly recommended to have the key blade for your flip key cut by a locksmith. This ensures you have a functional mechanical key blade ready to go.

In conclusion, programming a Mitsubishi car key remote can be a DIY project, especially for transferring the transponder chip to a new flip key. However, remote fob programming can be more complex and may require specific procedures or professional assistance. Always prioritize safety and consult reliable sources for your specific Mitsubishi model to ensure a successful and damage-free key programming process.

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