18. Sep 3, 2017. #2. Firstly, check the voltage of the battery-low voltage in 500's batteries causes all sorts of problems-should be 12.3-12.8v pre-start. But more likely, it is the dredded and ever common boot loom wire. Check the battery first, then pull the rubber off the wiring between boot and body at top left of boot and inspect wires. 5 Steps To Change The Battery In Fiat Key Fob In New Models. Step 1: On the side of the key fob, slide the latch while pulling on the key to release it. Step 2: On the top where the key slot was, insert a flat screwdriver and turn it either way to open the key fob cover. Step 3: Use the screwdriver to pry out the key from the cover of the key The batteries in key fob generally last several years and cost around $5 can be bought at many places from jewellery stores to Radio Shack. My VW had a similar fob and it lasted 10 years and maybe changed the battery 3 times. If your key fob is not working or has become weak, it may be time to replace t In this video, we'll show you how to replace the battery in your Fiat key fob. Consumer Reports did a good article on key replacement cost. For true "keyless" entry, it can cost $600 and up. The factory cost of a Fiat unprogrammed transmitter is $169. Add 20% dealer markup, plus the cost of cutting the key, plus 1/2 to 1 hour to program. Selected branches of Timpsons sell them, but expensive - £100+. Timpsons recently did one for my 2009 FIAT. The new key is programmed by taping the chip for the new one onto your old key, then you put it in the ignition and do a magic number of turns which I have forgotten. The chip is then untapped and inserted into the new key. If your remote key fob isn’t working and you’ve already replaced the battery, you may need to reprogram the key. QUICK LOOK Remote car key fobs can be damaged by water or by getting dropped or stepped on. Fiat ducato 2.3 2010 won't start turns over but fuel pump in tank won't work had auto electrician to have a look tested pump fuses and relay all ok but something is not telling relay to start pump had … read more Quick video showing you how to reset and program your KeyFob after changing the batteries out of the fob. You'll need to do this if the key fob is not worki unrsS.

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