Question about 1999 Jeep Grand Cherokee

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2005 Larado remote key does not work even w/ battery change

Dealer says it's the remote itself that needs to be replaced but the cost to do this is expensive. Any suggestions

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Turn the back of the remote over and take the back piece off. On the backside, you will find that it has a circular battery on the back. Gently, with a small sharp object, take the battery out and go to a nearest wal mart or store that sales the battery. The battery should come in a individual pack or sold as two. Once you have peurchased the small battery, gently and carefuly reinstall the battery and carefully put the lid back on the backside of the remote. DO NOT TOUCH THE GREENPART OF THE CAR REMOTE WHEN INSTALLING THE BATTERY. This could damage the microchip inside the remote, causing the frequency to not be disrtibuted when unlocking on locking the car. If this does not work, go to your nearest jeep dealer and ask for it to be replaced. Give the service representative the vin(vehicle identification number)number when requesting this, beacause this tells the dealer everything about your particular jeep. If that doesnt work, then the reciver in the jeep that recives the signal needs to be repalced.

Posted on Nov 24, 2008

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DIY Replacement Ignition KeySubject: DIY Replacement Ignition Key Title: What to...


DIY Replacement Ignition KeySubject: DIY Replacement Ignition Key
Title: What to do if you need a replacement ignition key

Overview:

There are times where you may need a replacement key. This can be the cause of a lost key, a key going bad, upgrading from the non all-in-one key to the all-in-one key.

Please keep in mind that if all keys are lost, there is NO WAY to program a new key to you car and a replacement TWICE module will have to be found with a key, either new (costly) or used and be married to the car via the dealer.

Symptoms:

Need a key, key is giving intermittent "bad key" messages and will not start the car, etc.

Experience Level:

Easy

Tools Needed:

Probably none, or a small tool to take the door off of a key via the hole in the side for the all-in-one key.

Time Needed:

Not much.

Parts Needed:

Key Blank from Dealer about $40 This is cut to your car.
Key Top from Dealer about $40 This is the "key guts"
all-in-one guts from Dealer about $90
all-in-one guts from ebay about $30-$60
key door from dealer for all-in-one key about $15

Procedure:

There are a few cases that can be covered

Case 1: Non All-in-one key replaced by non All-In-One key.

Subcase A: Have a non all-in-one key that is going bad

Solution: The dealer will have a replacement top for the key. Get the top, replace the top of the key and have it reprogrammed for the car. Total cost about $40 + $30.

Subcase B: Replace with all-in-one key because they are neato and / or the other key is lost.

Solution: Order the "Key Blank" from dealer and obtain the guts for the all in one key from ebay or the dealer. Have keys programmed by dealer. Total cost about $35 + $30 + guts cost.

Case 2: All-in-one key replaced by All-In-One key.
Subcase A: Have key but is not working.

Solution: Get guts and have it programmed. Cost about $30 + guts cost.

Subcase B: Lost key, need a new key

Solution: Get Key Blank and guts and have it programmed. Cost about
$35 + $30 + guts cost.

Outcome:

Very nice. Replacing the non all-in-one with the all-in-one dramatically increased the range of the remote. over the banana style remote.

Notes:

- Replace the battery in the guts if you get them off of ebay.
- You have to have all keys and remotes to dealer for programming.
- The guts for the non all-in-one key do not have the remote guts
- The guts for the all-in-one key have the security and remote in one
- The key shaft from the ebay all-in-one key can be discarded

on Jan 17, 2010 | Saab 9 5 Cars & Trucks

1 Answer

Remote not work cannot key open door


check the fuses or your remote battery went dead try replacing it. or your remote bacame deprogrammed and you`ll need to go to 1he dealer and have it reprogrammed. Usually $50 to $80

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I NEED A DIAGNOSTIC SCAN TOOL THAT CAN READ & SOLVE LAMBORGHINI E-GEAR PROBLEMS


Their is no scan tool that can read this vehicle ,as its a europeon built vehicle the only thing you can read is the emmisions test which has to be allowed for the american market so it can be sold in america ,in europe from 2005 nothing can be read on this vehicle as its all encrypted along with nearly all other vehicles sold in the europeon market ,The only way is dealer diagnostics which connects with the factory via the internet ,Even resetting a remote key after a battery change is dealer diagnostic machine only and that includes changing the brake pads or even the engine oil .If i plug into a new mercedes it shuts down and only the dealer can reset the immobilisor .All diagnostics i do is with a automotive tester i have given up with buying scan programmes that will only work on older cars and cost a lot of money around the 2500 euro mark

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1 Answer

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Replace the battery in the keyless entry. Pry the plastic apart and look at the battery...should look like a watch battery or simply take it to a dealer and they should replace for the cost of the battery.
If this doesn't work it will need to be reprogrammed. You manual should tell you how.

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1 Answer

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Start the car with the key, wait 15 seconds, then press startbutton on the remote while the car is already running, you may need to do this 2 times inorder to reprogram the remote

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1 Answer

Automatic door locks will not work.


you need to take it to the dealer and have them check the bcm for codes.... also have them check to be sure you have the latest software in the bcm.. its possible that you just need a software update... there are several TSB's covering the concern you have..... it can be a very simple fix with software or even a stuck lock switch may need to be replaced... without the proper diagnostic codes being read from the bcm all that can be done is guessing..and that can be expensive...

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