[Working] 1986 Jeep CJ7 stopped working after jump-start - immobilizer?

3440 views - Last reply: March 30, 2025
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Trying to program a spare key - where's the key code on my 1986 Jeep CJ7?

Hello! We've developed a VIN-based tool to help you get your key code for the 1986 Jeep CJ7. Check it out here: VIN Key Code Generator.

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My 1986 Jeep CJ7 might finally get back on the road thanks to this.

Anyone got tips on key code retrieval for a 1986 Jeep CJ7?

I’m not alone! My 1986 Jeep CJ7 is doing the same thing.

I’m stuck in a parking lot with my 1986 Jeep CJ7. Trying this now.

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Key Fob Issues
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Lost Keys
Dealerships can often cut keys using your VIN, but will require proof of ownership. This only works for original factory keys - aftermarket or previously replaced locks won't match. The key will still need programming to start the car if it has a transponder.
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Sometimes. Broken buttons can often be fixed by cleaning or replacing the button pad. Cracked cases can be glued. However, water damage or circuit board issues usually require complete fob replacement. Reprogramming is still needed for replacement fobs.
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Programming syncs the key's transponder chip with your car's immobilizer system. The process varies by manufacturer but generally involves: 1) authenticating with the car's computer 2) erasing old keys if needed 3) programming new key codes 4) testing functionality.
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