2005-2000 Jeep Grand Cherokee Immobilizer Bypass

Last updated on September 20th, 2023 at 04:31 pm

Your vehicle’s anti-theft system is as important as other components. However, most models of the Jeep Grand Cherokee have come with an anti-theft system (immobilizer) that disables the engine, mainly when an unauthorized key tries to start the engine.

Eventually, the immobilizer or the security alarm is triggered, and you now need to reset and rearm your system. Similarly, the immobilizer of the jeep Grand Cherokee was made into existence about 30 years ago as its aims to prevent the theft of your jeep Grand Cherokee. However, the immobilizer is functional because of the transponder and the antenna integrated into your key, an immobilization control box made in the ECU, and, perchance, the antenna in your Jeep Grand Cherokee, which serves as a reception antenna.

Though each time your key goes into the ignition, the system (ECU) checks the code emitted by the key, and at this point, your vehicle can start if the immobilizer box recognizes the code of your key.

However, this article will expound and bring your understanding above standard about the following contents; 2000 jeep grand Cherokee anti-theft system reset, how do I get my jeep out of theft mode, 2001 jeep Grand Cherokee immobilizer bypass, do you start a jeep grand Cherokee without the key, how do I disarm my immobilizer and more to come your way.

Relax, let’s get started without much ado!

2000 Jeep Grand Cherokee Anti-Theft System Reset

To reset the 2000 jeep Grand Cherokee anti-theft system, you have to perform the simple steps below;

Insert your door key into the driver’s side door lock
Turn the key to the right and the left as you wait for a few seconds.

This procedure should be able to reset the anti-theft system in your 2000 Jeep Grand Cherokee.

How Do I Get My Jeep Out Of Theft Mode

The easiest way of getting your jeep out of the theft mode is using the key fob if your Jeep is practical and efficient.

Here are the steps;

Pick up the fob key
Press the unlock button on your fob key if your Jeep doesn’t have the “Keyless Go.”
You should hold the key in that position for about 20 to 30 seconds.

The above steps should be enough to get out the theft mode on your Jeep as quickly as possible!

2001 Jeep Grand Cherokee Immobilizer Bypass

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2005 Jeep Grand Cherokee Immobilizer Reset

If something has triggered the immobilizer of your 2005 Jeep Cherokee, you can reset it using the simple steps below;

You should open the driver’s door and close the others.
Close the driver’s door for about 15 to 20 seconds as the vehicle security light on the instrument cluster stops.

The above steps are applicable for; the 2001 Jeep Grand Cherokee Immobilizer Bypass.

2000 Jeep Grand Cherokee Immobilizer

Jeep Grand Cherokee Immobilizer Reset

Here you have the steps;

Press the power door lock button on your key fob.
Close the driver’s door and close other doors for about 15 to 20 seconds.
The immobilizer’s light should slow in its periodicity.
The system should be able to reset and rearmed at a slower rate.

How To 2000 Jeep Grand Cherokee Immobilizer Bypass

How Do You Bypass The Security On A Jeep Cherokee?

There are so few ways to bypass the security on a jeep Cherokee, but I will mainly detail you on one of these ways, which could be disconnecting the alarm battery. Though this method is recommended in extreme conditions, using your manufacturer’s manual is very vital to the success of this procedure and may or may not require some specialized tools.

Procedure:

Open the hood of your car (Jeep Cherokee).
Remove the negative wire of your car battery.
Place the removed wire where it won’t touch the battery.
Reconnect the wire.

At this point, the entire system should reset and bypass the security.

What Does A Key With A Line Through It Mean On A Jeep?

A key with a line through it means SKIM or Security Key Identification Module. This SKIM is a transmitter that sends inquiries to the key. Hence, the key responds by transmitting its code. As the SKIM recognizes this code, it allows you to drive your vehicle, but if not so, the car will shut down immediately.

How Do You Start A Jeep Grand Cherokee Without The Key?

Although, there are a few ways to start your Jeep Grand Cherokee without using a key. In as much as these ways are vital, they could be tricky to deal with if you are not familiar with your vehicle’s technical stuff, though it s better left in the hands of the experts.

Here goes the first method!

1. Starting When The Key Fob Has A Dead Battery/Not Responding

Fortunately, Jeep Cherokee has innovative intelligence that lets you start with a dead-key fob.

Here is what you need to do;

Put the on/off the end of your key fob over the ignite button of your Jeep Cherokee.
Step on the brake.
With the key fob, push the ignite button.
At this point, you will hear your vehicle coming to life within seconds. That seems so easy, right?

Here goes the second method.

2. Replacing The Cylinder And Key Assy

Although, most times, it is easier to replace the whole cylinder and the critically assy to get rid of the ignition issue as you grab some auto parts tools.

Step-by-step guide;

You should remove the steering wheel carefully.
Remove the lock plate you will find under it.
Take off the plastic horn ring also.
Get the signal switch.
Pull it up enough to see the cylinder and key.
Press the pin you find in the bottom of the cylinder and key to release the cylinder and the critical assy.
Replace the cylinder and key assy with a new one to solve the issue as you start your car.

Note that the two methods are easier said than done, so be extremely cautious while performing these maneuvers on your vehicle. I recommend you get a certified mechanic for effectiveness.

How Do You Reset The Computer On A 2000 Jeep Cherokee?

Since the computer (ECU) stores your vehicle’s information and driving habits in its memory, resetting the ECU and its memory requires some procedures for the computer to re-learn and adjust to the driver’s practice.

Here you have them;

It would be best if you disconnected the positive battery wire.
Ground the positive wire to the negative for about 20 to 30 seconds to erase the charges on the capacitor.
Reconnect the positive wire to your vehicle’s battery.
Turn your key on the ignition but don’t start your car.
Make the headlights turn on.
Turn off the headlights.
Turn your key off.

With the above procedure done correctly, the computer (ECU) should be able to reset to its factory setting as it learns the engine and your driving habits.

How Do I Reset My Immobilizer?

If your anti-theft alarm is triggered and you have opted for resetting your immobilizer. The best and easiest way to do it is to follow the steps I will state down for you.

Hold the fob key button for about 5 seconds.
Press the lock button twice.
Wait 10 minutes as you stay a few meters away from your vehicle.

Simple right?

How Do I Disarm My Immobilizer?

Although, the function of preventing the engine from running is the immobilizer, which controls the correct transponder (car key). Therefore, to disarm or disable your immobilizer (an electronic security device) is by;

Using Bypass Module: You can use the bypass module to disable or disarm your vehicle’s immobilizer.
Placing The Key Inside The Key Hole: Placing your key into the keyhole will deactivate your car’s immobilizer to enhance remote start.
Extracting the key fob from the key:

When you gently separate or extract the key from its fob as you place it near your keyhole receiver, the immobilizer light doesn’t come on at the start of your car.

How Do I Start My Car If The Immobilizer Is Not Working?

If the immobilizer in your vehicle is not functional, you can start your car by replacing the battery. If that doesn’t work practically, try to hold the fob up against your start button as you press them simultaneously. In any case, if there is no start button in the model of your car. It would help if you tried to hold the fob key close to your ignition switch and eventually turn your key.

Conclusion

The immobilizer is a vital component of your vehicle that helps curb automobile thefts. It is definite in function as it prevents the engine from starting when there is an intrusion.

Despite being integrated into your Jeep Cherokee, when this security system malfunctions and deny you access to your vehicle. In such circumstances, you can check, read and study through the above-detailed work, bypassing the immobilizer (your security system) and start up your vehicle as you move to your destination. Always use the right key and consult your manufacturer’s manual when necessary. Do like and share this informative article with others!

Jeffery Ekweghi

Hi dear, my name is Jeffery Ekweghi, and I am a certified mechanic and autobody parts technician. I created this site to share my expertise and experience with car lovers looking to resolve their car-related issues. I am certified in private cars and heavy-duty commercial vehicles. I have worked as a mechanic since 2015 and have experience in vehicle brands like Subaru, Jeep, Toyota, TATA, BMW, Mazda, Honda, Nissan, Kia, TVs, and Others; however, I primarily specialize in Toyota vehicles.