Alternator Fault Battery Not Being Charged Audi A4

These instructions are meant to help audi owners of various models including a1 a3 a4 a5 a6 a7 q3 q5 q7 tt. 26 12 2013 08 34 pm i d be inclined to blame the battery to be honest. For the last few months i ve been having constant trouble with a fault in the car.

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Alternator Fault 2011 A4 Audiworld Forums

Audi Battery Warning Light Problem Youcanic

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Drive to a qualified workshop without delay.

Alternator fault battery not being charged audi a4. Still not charging battery. Alternator not charging battery. 2009 audi a4 2 0t. If the alternator is not charging the battery.

Replaced with oem bosch alt. Battery is not being charged there is an alternator fault or a fault in the audi a1 s electrical system. When your tests point to an under charge or no charging condition. When i reconnect the b cable to the body at the firewall alternator charge shows 12 3volts.

If i disconnect the b cable at the firewall and test the alternator directly it charges 14 4volts. For no reason the car started with a message on the dash alternator fault. I have a late model 2008 audi a4 euro. If necessary borrow a good battery just to operate the engine and confirm that your drive belt and belt tensioner are operating properly.

And checked all fusable links. Audi battery light can come on due to a bad alternator battery poor ground connection blown fuse bad relay or a parasitic draw. It s possible the alternator itself is faulty however there is circuity and control devices that should be ruled out as. Make sure the drive belt is not loose or worn out.

I am no mechanic but and reasonably savvy when it comes to electronics and i know for sure that our cars are very picky when it comes to having a battery in good health. My car has an automatic transmission. Alternator fault battery not being charged. Alternator fault battery not charging my car has 111000 miles.

Sometimes the fault will go away from a few minutes to even a day after turning off and restarting the car.