My seat heater module was replaced in Sept and works fine...except, when I start the car in cold temperatures (below 5 degrees F). I can get the seat back heater to run BUT not the bottom. The 2 lights flash rapidly then refuse to come on for a few minutes. By then Imy butt has icicles!

Any other cold related problems w/the electronics?

 

Mine does that if I have the rear defroster on.

 

The flashing lights was discussed a couple of weeks ago.
It happened to me one morning when it was F cold, but as you say after a couple of minutes they worked.
Regarding the seat bottom cusion not working - does it ever work?
If it has stopped working all of a sudden it may need repairing.

Check out this thread I started on this exact same problem...

https://www.crossfireforum.org/forum...ad.php?t=30101

(Somebody make this a sticky - this is about the third time in less than a week I've posted this link!!!)

 

Both back and bottom work after there is some heat in vehicle. Alot of electronics do work poorly in cold weather. This is the first time I had cold related electronics in a car though.

 

I think that's an undocumented "feature". I didn't notice it happened when the defroster is on but thinking about when it has happened for me, I now realize that's the connection.

I am guessing that the amperage required to run both at the same time is too much so the manufacturer (after failures in testing) implemented a
"feature" that gives the blinking lights when both defrost and HI seat heat are requested.

 

^ I agree, the vehicle does not want to put a great load on a cold engine. We had some sub-zero temperatures last week and the HI setting didn't work for a good 5 minutes of driving, and I wasn't using the rear defroster.

 

Some mornings when it's in the 40's I would run my seat heat. I've noticed that now it isn't working!! Only the back portion of the passenger seat comes on.
First thing I did was check the fuses.
ALL GOOD
Is there a common problem with the seat heat?

 

Yes there are problems with our seat heaters, a crapy design in the seat grid, it is usually the bottom that goes out, there is a repair kit to repair the damaged wire, but then the heated seat module should be replaced as well, search the threads, many of us have had the same problems, mines in the shop right now for the seat switches led's blinking when its 10 degrees or colder, and will not work untill your butt warms up the butt warmers, but never had the problem of the rear defroster as of yet!!!

 

I found another cold weather problem this morning...anyone else experience it?

Rained yesterday and temps dropped to lower teens. Driver window froze in up (thank God) position. Again after war up operated as designed. Also the OEM raio display is solw and station change slow in very low temps until warm up.

Guess it is like using a digital camera in the cold.

 

I'll add my 2 cents also. My bottom driver heater went out over a year ago. About a year after it was replaced, so this will be my third heater. Passenger heater which gets more use is fine. 15 below in Chicago and the heater didnt work. Blinked a few times then went out. Once the car warmed up it worked OK.

Very long time since I've posted. Nice to see you all again.

 

Hey guys . . . according to the Crossfire Specialist Student Reference Book . . . I quote on the Heated Seats

" The heaters may automatically switch off due to HIGH electrical system demand or a low battery. When this occurs, one or both indicator lamps blink (depending on selected heating level) until enough voltage is available."

That is why when it is really cold and you start up the car, with a low battery and switching on the rear defrost, you get the blinking lights. I would suggest you let the car run for a bit before hitting the heater switches ! I don't drive my car in the winter, so have not encountered this issue. . . .however, I did recall reading it . . .

Just my two cents worth . . .

Cheers

Mark
A12rag

 

Oh sure! end a thread with the facts

 

I had the seat heater lights flash today............now I know why! Gotta love this forum!

Thanks

 

Night, it's common.
In either Xfire the seats won't heat up until the car is warmed up. It's happened every winter since I've owned the cars.
Since it hasn't gotten above freezing here since sometime in mid-December & is usually below zero darn near every day my seats only heat up after my butt pre-warms them !

 

A12RAG

Where can I buy that book and how much?

 

This morning I had the blinking problem at 13 degrees. I've had it few times before on cold mornings.

I was thinking that this is caused by an over current draw by the resistive heaters. When too cold they draw too much current, when up to a reasonable temperature all is okay. Usually your butt heats the seat up enough in a few minutes that it works normally.

I thought that each blink was an actual current pulse to the heater. Having this in mind, I decided to hold the button down to see what would happen.

As I held the high heat button down, I saw that each pulse got a little bit longer. Heaters warming up, resistance going up, current going down? After 25 to 30 pules it stayed on.

 

Hey would you happen to have this 'Crossfire Specialist Student Reference Book ' ? Or a reference where it can be downloaded?

 

It is in the Documents section on here.
I have the original and they are not available now, out of print since last year.

 

I think that link is dead.

 

Looks dead to me as well, but it is available for down load on the CICCI site.
CLICK for the Student Reference Book