jon198299 Posted April 21, 2018 Share Posted April 21, 2018 (edited) Hello... I have an Audi A6 C6 2.0 tfsi, I've just fitted a new battery. I'm now getting loads of electrical problems across my car. I have the genuine battery part number and serial number for the battery regulator module. I've been trying to get rid of the low voltage errors with vcds....and no luck so far!. My car just doesn't recognise the new battery, the MMI see's the new battery as only 10% charged??. I'm wondering if the battery regular module is damaged as I'm not having much luck with VCDS software. I don't even know id the battery regulator is even working as it should, I cant find anyway of testing it as I have a non running car at the moment.. All fuses have been checked, I've tested starter relays, fuel relays and crankshaft sensor. I have no spark and no injector pulse plus a low voltage issue across the vehicle. I'm totally confused at the moment... http://wiki.ross-tech.com/wiki/index.php/Battery_Replacement http://wiki.ross-tech.com/wiki/index.php/Battery_Replacement#Long_Adaptation Log-AUDI A6 PLUG REMOVED-WAUZZZ4F26N080894-209800km-130363mi.txt Edited April 21, 2018 by jon198299 more information Quote Link to comment Share on other sites More sharing options...
Magnet Posted April 21, 2018 Share Posted April 21, 2018 Hello Jon, Sorry to hear of your issues. Could we just check whether you have replaced the battery with a genuine VAG supplied one, or with one that has been bought elsewhere. If not VAG supplied - make? Kind regards, Gareth. Quote Link to comment Share on other sites More sharing options...
niedzial1983 Posted April 27, 2018 Share Posted April 27, 2018 Did you code in new battery ? Quote Link to comment Share on other sites More sharing options...
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