There are two possible methods to program the SKIM to recognize a new or additional valid key, the Customer Learn Method and the dealer-performed Secured Access Method. The Sentry Key Immobilizer Module (SKIM) can be programmed to recognize up to a total of eight Sentry Keys. With your own pair of original keys, you can easily program a new key yourself. If you were to ever lose one of those keys, it’s a lot more costlier to have a replacement made as you must go to the dealer or a specialty locksmith to have the programming done. It’s a good idea to do this while you still have your two original keys. It is highly recommended that you get a spare third key made and programmed for your Jeep.
In the event of the loss of all keys, special programming equipment is needed to register new keys into the system. For additional security, two pre-programmed keys are needed in order to register additional keys into the system.
This all happens in under a second, and is completely transparent to the vehicle driver. The transponder then returns a unique signal back to the vehicle’s computer, giving it the ok for the vehicle to start and continue to run. When you attempt to start a vehicle with this feature, the onboard computer sends out a RF signal that is read up by the electronic transponder chip embedded in the key. Most WJ Grand Cherokees are equipped with this feature. Is something incorrect or missing? Please get in touch with us and we’ll fix it!īeginning in 1998, selected Chrysler products began rolling off the assembly lines with a new advanced security system known as the Sentry Key Immobilizer System (SKIS). We have organized as much information as we could find into a helpful article below. Welcome to the in-depth page on WJ Generation Jeep Grand Cherokee Sentry Key® Immobilizer System (SKIS) guide.
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