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Intermittent "Service AdvanceTrac" Message


JimmyKumbaya

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Good day, all. My 2011 Edge sometimes (say, every fourth or fifth time I crank it) generates a "Service AdvanceTrac" message (with the ABS and Traction Control idiot lights remaining lit after I dismiss the warning). The first time it happened, I used FORScan to look around and to clear the error (log file attached). The ABS/Traction Control indicators frequently spontaneously clear themselves during a short trip, and in any case everything 'feels' fine. In my ignorance I'm tempted to believe that means there's simply a loose connection somewhere, but I don't know where I should be looking.

 

Any suggestions welcome.

 

Jim

 

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How old is your battery? The FORScan log indicates below normal voltage. I would do a CCA reading. Can't trust doing just a voltage reading like the dealers do.

I use (as do others here) a Solar BA7 to watch mine. accurate.

SOLAR BA7 100-1200 CCA Electronic Battery and System Tester https://www.amazon.com/dp/B0015PI7A4/ref=cm_sw_r_cp_apa_suQSBbAH3CFDN

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How old is your battery? The FORScan log indicates below normal voltage. I would do a CCA reading. Can't trust doing just a voltage reading like the dealers do.

I use (as do others here) a Solar BA7 to watch mine. accurate.

SOLAR BA7 100-1200 CCA Electronic Battery and System Tester https://www.amazon.com/dp/B0015PI7A4/ref=cm_sw_r_cp_apa_suQSBbAH3CFDN

 

It's interesting you ask that. The vehicle sat idle for a couple of months. After that, the first few trips yielded a message like "Charging System Problem" (or words to that effect), and a similar message when turning the engine off and removing the key. Since then there's been no (obvious) issue, other than perhaps a very slightly longer crank time. I'd pretty much put that out of my mind.

 

Do you mention that based only on the log output, or do you have reason to believe a low battery could induce the AdvanceTrac warning?

 

In any case, thanks for the reply.

 

Jim

 

EDIT: Oops, I didn't answer your question: the battery's a couple of years old. I'd be pleased if something that simple was the fix, as it's a little worrisome to my wife (while the fleetingness (?) of the issue makes it seem not so urgent to me).

Edited by JimmyKumbaya
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Weak batteries can cause electrical problems like this. Back in the day you could count on a battery lasting 4 or 5 years. No so today. Once they have been fully discharged, they can be permanently weakened or destroyed (depending on the temperature). I would have it tested somewhere where they can tell you the CCA (cold cranking amps) remaining. I would also suspect it will fail. A weakened battery can cause all kinds of strange problems.

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  • 2 weeks later...
  • 2 weeks later...

Thanks for that feedback. Am I right that the speed sensors are partially hidden beneath plastic panels that are easily removed?

 

I got the battery replaced (it was under warranty from Wal-Mart), the ride home didn't clear the AdvanceTrac warning but I'm going to give it a couple days before running FORScan on it again.

Edited by JimmyKumbaya
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Like WWWPerfA said, there are no panels to completely remove, although you do need to remove a few push pins for the inner fender. This will give you enough access to remove and unplug the wheel speed sensor, which runs toward the front of the vehicle. I would try cleaning yours, which only requires an 8mm socket to remove. Wipe them down and look over the wire real good.

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