How To Service the Fiat 500 Hatchback, Part 2

After almost 30 years, the Fiat Company is back to selling cars to the U.S. market. Our servicing guide helps locksmiths encountering these vehicles for the first time.


In Part 1 of our guide to Servicing the Fiat 500 hatchback, we addressed removing the door cylinders. This final installment covers removing and servicing the ignition lock cylinder, and transponder programming. Removing the ignition with a key is fairly straightforward. But once again we are...


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We had a Zedbull with a Fiat Cable that was supposed to pull the PIN and program the transponder. We could not get it to connect at this time. The Advanced-Diagnostics machine will also program the vehicle with a PIN number.

The transducer ring appears to be a totally separate system so that if it were to be damaged, you should be able to just replace it (untested). There is a quick disconnect plug for the antenna ring (Photo 18).

That is why we think you can replace it, should it be damaged. We did not need to remove the antenna ring at any point of this entire process to access the cylinder.

Our cloner provided a transponder reading as a Phillips 46 CRYPTO 2, Locked Manchester chip set (Photo 19).

As this is all very new to the U.S. market, I am sure by the time you will read this there will already be more information available to in order to help you along with the vehicle.

The last bit of information probably will not mean much to most, but I thought I would add it. Here is a picture of the ECU Board front (Photo 20) and back (Photo 21). Those into EEPROM Technology may appreciate these pictures.

Although this vehicle did prove to be a challenge, it turned out to be a lot of fun and certainly interesting. As always, Stacy and I hope this helps you out and makes it a little easier for you. Any questions can be e-mailed to jim@keypro.com or stacy@keypro.com.

Editor’s Note: Check out several helpful videos from author Jim Hetchler. Just click on the video links in the Related Content box accompanying the article.

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