WEAK BATTERY Warning
I had stopped for gas and turned off my car. While waiting, I notice the screen says 'Weak Battery' then something about 3 minutes until it shuts down.
I have 39k on the car. My Audi care just ran out (of course) and I haven't done my maintenance yet only because I am not paying $500+ to Audi, so I need to schedule with my mechanic. Do I need to replace it or just run a diagnostic on it to see if there is another issue? Winter is here, so I don't want to get stuck with a dead battery, but I wouldn't think it would be due for replacement yet. Thanks |
Do you have the VCDS tool? Is this the original battery, Trlyka?
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Originally Posted by uberwgn
(Post 24883909)
Do you have the VCDS tool? Is this the original battery, Trlyka?
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If it's the original battery, 5 years is about right for its life. Audi Care wouldn't have covered a replacement battery in any case.
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Originally Posted by snagitseven
(Post 24883924)
If it's the original battery, 5 years is about right for its life. Audi Care wouldn't have covered a replacement battery in any case.
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Originally Posted by trlyka
(Post 24883931)
Ok, fair enough. Just as I am saving some money for the holidays....ugh
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Did they diagnose the battery and the charging system, or were just guessing? If the charging system does not operate correctly, of course the battery can not stay charged.
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Originally Posted by audi8k
(Post 25327112)
Did they diagnose the battery and the charging system, or were just guessing? If the charging system does not operate correctly, of course the battery can not stay charged.
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So I am still getting battery weak messages and decided to go and buy a volt meter to do some fault finding of my own however on the way home the battery got to the point where it was so low that I started getting a gearbox malfunction message so I immediately pulled over and turned off the engine. When I tried to start the car again it was dead. Ended up Calling roadside assistance to get the battery jumped started so I could get home. He checked the alternator and it was showing 13.07v so it looked to be charging. I got the car home and again checked it myself, it was showing around 13.24v. So later in the day I decided to have another check to see if there was any drain. Initially the battery was showing 12.04v before starting the car. After starting it, I noticed it dropping gradually below 12v, it got to about 11.87v which to me indicates that the alternator was not working or not turning, however about 30 mins later I checked again and it was again working as the voltage had gone up to 13.24v. Literally just checked 30 mins later and it has dropped to 11.48v. Now I'm stuck between thinking it either being a faulty alternator (or a faulternator) or the pulley is loose/worn. Any thoughts or suggestions? Thanks all
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Originally Posted by Audi-S5
(Post 25333442)
So I am still getting battery weak messages and decided to go and buy a volt meter to do some fault finding of my own however on the way home the battery got to the point where it was so low that I started getting a gearbox malfunction message so I immediately pulled over and turned off the engine. When I tried to start the car again it was dead. Ended up Calling roadside assistance to get the battery jumped started so I could get home. He checked the alternator and it was showing 13.07v so it looked to be charging. I got the car home and again checked it myself, it was showing around 13.24v. So later in the day I decided to have another check to see if there was any drain. Initially the battery was showing 12.04v before starting the car. After starting it, I noticed it dropping gradually below 12v, it got to about 11.87v which to me indicates that the alternator was not working or not turning, however about 30 mins later I checked again and it was again working as the voltage had gone up to 13.24v. Literally just checked 30 mins later and it has dropped to 11.48v. Now I'm stuck between thinking it either being a faulty alternator (or a faulternator) or the pulley is loose/worn. Any thoughts or suggestions? Thanks all
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