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jluke

getting a "Service Advancetrac System" warning.

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All of the warning lights for the brake system are on, parking brake is off, car brakes fine, the Advancetrac button doesn't seem to do anything, brake fluid is fine. This just started today. Any ideas?

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I should add that I just checked and no codes have been thrown.

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How old is your battery?  These cars do strange things when battery voltage gets low,

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That was going to be my question also drolds1. Ford products in general have issues with older batteries. Even my Mazdaspeed6 when the battery hit between 3-4 yrs old it checked ok but not "pristine" and it would do crazy crap with traction control, fuel cut, abs warnings... replace the battery... viola...perfecto.

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battery is a year old, but when I lifted the positive boot I noticed a lot of corrosion, cleaned that off and see that the copper connector that connected all the positive leads was cracked. Will pick up another an install it, but would be surprised if that clears it. After the cleaning, I drove 30' down the street and the lights came back on. Thanks for the input.

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I checked the battery voltage and found is was reading 12.5 volts, charged the battery, drove around the block, no lights. Will find out with more driving today if that was the problem. Suspect the cracked connector was not allowing the battery to fully charge. Hope that resolves this, thanks to all for the input, will post back the problem pops back up after I replace the battery connector.

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Another thing to keep in mind:  Class D digital power amplifiers are highly efficient, but will act strange or even go into protect mode when voltage drops. 

 

(sorry for the off-topic post; I started reading from the bottom).

Edited by jmcgliss

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no joy with the new battery cable ($100), warnings are back on. Now another question, can the average tire and brake shop diagnose this or will I have to bring it to the dealer? Also, the week before, I had 2 new tires installed on the front, coincidence?

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Dealer diagnosed it as a failed  brake module/ $150 to diagnose, $600 for the part, another $250 or $300 to replace it. Part is on order, will drop off the car when it comes in, bummer.

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Will they at least deduct the diagnosis charge since they're doing the repair?

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Nope, diagnosis added to the bill. Total was $1,200. I have a 2009 Honda Ridgeline that is perfect and has never had a problem, when I pay this much money to replace something the size of a coffee cup, it makes me question

whether I want to get another domestic car.

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