599 Tire Pressure Sensor Module

Recently I had the battery go dead oh my 2008 599. This was odd as it is always connected to the battery conditioner and had only been off the conditioner for about 3 hours following a 30 minute drive. Got the car home thanks to AAA and it's now at the dealer. Had dealer pickup the car and check it the old fashioned way - with power on start pulling fuses until you see the power draw drop on your multimeter. Dealer reports that it is not uncommon for these tire pressure sensor modules to fail and then draw power when key is off. Just a heads up to other 599 owners - something to be alert to.

 

I'll let you know the CTEK model # when the car comes back from service as it's in the trunk. I also have the original Ferrari battery conditioner as well but use the CTEK more often.

 

Thanks for the comment. I was getting a full charge on the battery via the charger. It was a matter of it discharging in a short period of time.

 

I have the CTEK MXS 5.0. Is the 10.0 too powerful though?

 

At this point I think I've solved the problem that turned out to be two-fold. First there was the bad tire pressure sensor module that the dealer found. When the car came home, I attached the CTEK MXS 5.0 charger. However, after 2 two weeks the battery was totally flat. The CTEK unit's lights indicated that it was connected properly and had brought the battery to full charge. However, when a multimeter was attached to the unit the output was zero volts. Attached the original Ferrari battery conditioner (a re-branded CTEK unit) and overnight the battery was a full power, Ran the car then parked it overnight without the tender attached. The car started fine the next day after more than 24 hours without the tender. My conclusion is that there were two issues here - the bad module and the bad CTEK unit. Now I am trying to get the CTEK replaced under warranty as it is only 2 years old.

 

I've sent the unit back to CTEK as it is still under warranty. The person I spoke with indicated that they'd check it out and then either repair or replace as needed.

 

CTEK unit returned from testing and it was found to be fine. However, should I be using the AGM setting when charging the 599?

 

Isn't the MXS 10 a 220V unit?