Fiat 500x Battery Draining

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Fiat500x
New User
Posts: 10
Joined: Mon Dec 11, 2017 3:53 am

Fiat 500x Battery Draining

Post by Fiat500x »

Hi,

I suspect that the Maestro RR or the radio might be draining my battery. 3 times in one year, my car has been towed to dealership for a new battery replacement!!!

I have read elsewhere here that the harness or some pins might be the culprit. Could this be present with the Maestro harness for Fiat too??? 😣😞🙁

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JustinFerroni
ADS Team
Posts: 550
Joined: Mon Jan 15, 2018 2:18 pm

Re: Fiat 500x Battery Draining

Post by JustinFerroni »

It'ss a pretty popular firmware and we haven't gotten any reports of drain issues. I would recommend doing a parasitic draw test with in the following order.
1- with factory radio installed to get a base number
2- with maestro and radio installed
3- with radio unplugged but maestro and harness installed
4- with maestro unplugged and radio installed
5- with everything unplugged
Remember when doing your draw tests that each time all doors must be in the latched closed position and vehicle must sit for about 10 minutes to ensure the computer systems are asleep. You want to also ensure no other circuits are energized during this time because you will get false readings.
Parasitic Draw Test Video https://youtu.be/KF1gijj03_0
Justin Ferroni
Technical Support Specialist
ADS Maestro
T 514.807.2888
Justin.Ferroni@adsdata.ca

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