The Jeep Commander, a robust and versatile SUV, has utilized different types of key fobs throughout its production run. Understanding the type of key your Commander uses and the intricacies of its programming is crucial for key replacement and avoiding potential headaches. This guide will delve into the world of the Jeep Commander Key Fob, covering everything from identifying your key type to navigating replacement options and potential pitfalls.
Transponder Keys vs. RFID/FOBIK Keys: What’s the Difference?
Jeep Commanders have been equipped with two primary types of keys: transponder keys and RFID (Radio-Frequency Identification) keys, often referred to as FOBIKs (FOBS with Integrated Key). The easiest way to distinguish between them is by looking at the key blade.
Transponder Keys: These were used in earlier Jeep Commander models and feature a traditional metal blade that you insert into the ignition switch to start the vehicle. Despite the mechanical blade, these keys contain an electronic transponder chip within the plastic head.
RFID/FOBIK Keys: Later Jeep Commanders transitioned to RFID or FOBIK keys. These keys are characterized by a plastic block at the end, which is inserted into an electronic ignition switch. There is no traditional metal blade that you turn. Like transponder keys, FOBIKs also contain an embedded RFID chip.
Alt text: Jeep Commander transponder key with metal blade, illustrating the key type used in earlier models.
How Jeep Commander Key Fobs Work: Chip and Battery Functionality
Both transponder keys and FOBIKs rely on an electronic chip for vehicle security and ignition. This chip, whether in a transponder key or a FOBIK, is energized by radio frequency (RF) signals transmitted by an antenna in your Jeep Commander’s ignition switch. This means the chip itself doesn’t require battery power to function for starting the car.
The battery inside your Jeep Commander key fob is solely for the remote functions – locking, unlocking, and potentially remote start if your vehicle is equipped. If the battery in your key fob dies, the remote functions will cease to work. However, the embedded transponder or RFID chip will still be energized by the ignition system, allowing you to start your Jeep Commander.
Jeep Commander Key Fob Programming: Vehicle Recognition is Key
The magic behind your Jeep Commander key fob lies in the unique identifier programmed into the chip. The key programming process is essentially teaching your vehicle to recognize this unique identifier as authorized to start the engine. When a key is programmed, both the immobilizer system (for starting the car) and the Remote Keyless Entry (RKE) system (for remote functions) are configured simultaneously.
Once a key fob has been programmed to a specific vehicle, it cannot be programmed to another vehicle. The vehicle’s computer recognizes that the key has been previously programmed and will reject it. Historically, dealership tools could clear keys from a vehicle’s system. Modern dealer tools are believed to have the capability to not only clear keys but also reset the key itself, potentially making a previously programmed key programmable again, but this is generally not something accessible to the average owner.
Cloneable vs. Non-Cloneable Jeep Commander Keys: Understanding the Difference
It’s important to understand the distinction between cloneable and non-cloneable keys, especially when considering cheaper alternatives.
Transponder Keys (Cloneable): The older transponder keys used in Jeep Commanders are cloneable. This means a locksmith with specialized tools can create a copy of your existing transponder key’s signal onto a blank, cloneable key. This cloned key replicates the original key’s signal and will start your vehicle because the system sees it as the original. However, a cloned key is not programmable to the car in the traditional sense.
RFID/FOBIK Keys (Non-Cloneable): The RFID/FOBIK keys used in later Jeep Commanders are generally not cloneable. These keys require proper programming to the vehicle’s computer system.
Alt text: Jeep Commander FOBIK key, highlighting the plastic block design typical of RFID keys in later models.
It’s critical to note that the self-programming feature that may have existed in some earlier Chrysler vehicles, which allowed owners to program keys themselves using two existing valid keys, is generally not available for Jeep Commanders, particularly for later models (like 2010 and onwards as mentioned in the original article). This self-programming method, even when available, would not work with a cloned key as the system would not recognize it as a genuinely distinct second key. Chrysler disabled this feature due to security concerns.
Navigating Jeep Commander Key Fob Replacement and Costs
Replacing a Jeep Commander key fob can be surprisingly expensive, especially through dealerships. While the technology within the key fob itself may not be inherently costly (reports suggest manufacturers pay very little per unit), the replacement market is significantly marked up.
Why are replacement keys so expensive? The high cost is not typically due to dealer markup alone. Vehicle manufacturers often set high prices for replacement keys sold to dealerships, creating a significant profit margin. This inflated pricing has led to a thriving aftermarket and online market for key fobs.
Buying Keys Online (eBay, etc.): Proceed with Caution
You can often find Jeep Commander key fobs for sale online at significantly lower prices than dealership prices. However, proceed with caution, especially on platforms like eBay.
Used Keys are Problematic: A used key fob that has already been programmed to another vehicle cannot be reprogrammed to your Jeep Commander unless it has been properly cleared from the original vehicle’s system. The likelihood of a used key being properly cleared and not simply being sold by someone who no longer owns the vehicle is low. Purchasing used keys online carries a high risk of getting a key that cannot be programmed.
Focus on New Keys: When buying online, prioritize new, unprogrammed keys. Look for listings that clearly show the key fob still sealed in its original packaging. This is a stronger indication that you are receiving a new, programmable key.
Crucial: Verify the Part Number: Always verify the correct part number for your specific Jeep Commander model and year before purchasing a key fob. There are numerous key fob variations, and a key that looks similar to yours may not be compatible. Consult your owner’s manual, your dealership’s parts department, or reputable online parts retailers to confirm the correct part number. Buying the wrong part number is a common mistake and will result in a key that cannot be programmed to your vehicle.
By understanding the nuances of Jeep Commander key fobs, from identifying your key type to navigating replacement options and potential scams, you can make informed decisions and ensure you get a working and properly programmed key for your vehicle without overpaying.
