warning lights - warm and cold weather

[lincoln81]

morning everyone we have a 2015 ffh. last summer was a warm day we where in a drive thru and I got a bunch of warning lights on the dash. brake system failure ect.. we turned the car off and back on. seemed to be okay brought it to the dealer. can't reproduce. few times over the winter it happened when it was cold. now it's warn again it happened the other day. no point on going to dealer if no codes are up imo. anybody else have this issues? if there a fix? is it something I am doing wrong?

 

thanks

[murphy]

Have your 12 volt battery load tested. That means measuring the voltage while it is under at least a 100 ampere load.

[lolder]

Just go ahead and replace the 12 vdc. It's the cheapest first step. Load testing it doesn't always reveal a problem that can cause these symptoms.

[lincoln81]

this has happened 5 times and we have owned the car for 1.5 years. I am not sure if changing the battery will be the fix. I am not saying your wrong but I guess if I keep putting new parts in it eventually the problem will go away along with all my money. as Murphy said yesterday I will load test the battery and see what they say.

 

thanks for the replies guys

[lincoln81]

this has happened 5 times and we have owned the car for 1.5 years. I am not sure if changing the battery will be the fix. I am not saying your wrong but I guess if I keep putting new parts in it eventually the problem will go away along with all my money. as Murphy said yesterday I will load test the battery and see what they say.

 

thanks for the replies guys

[lincoln81]

hey guys, bringing this back up to the top. lately we are getting brake system warning lights when we turn the car on in the winter (-10) at the coldest so far. The e-brake light is on, but the brake itself isnt. drive 1-2 minutes and the lights goes off and car is fine for the rest of the day.

 

any sugguestions?