[Confirmed Fix] Got replacement ECU for 1999 Plymouth Grand Voyager, now code doesn’t match

4015 views - Last reply: August 06, 2024
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Where do I find the key code to program keys for my 1999 Plymouth Grand Voyager?

Hello! We've developed a VIN-based tool to help you get your key code for the 1999 Plymouth Grand Voyager. Check it out here: VIN Key Code Generator.

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Dealer wants too much just to reset my 1999 Plymouth Grand Voyager. Trying this instead.

Trying this on my 1999 Plymouth Grand Voyager later. Will report back.

Using this on my 1999 Plymouth Grand Voyager now. Hope it works.

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Security Systems
An anti-theft system that prevents the engine from starting unless it detects the correct transponder chip in the key. The chip sends a unique code to the car's computer when you turn the ignition. No match = no start, even with a physically matching key.
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