Why won't the battery in our Honda CR-V hold a charge?
My daughter has a 2009 Honda CR-V 2.2 Diesel. Every few weeks the battery goes completely dead and the car has to be jump-started. The local garage cannot find the reason. The battery is only a few months old. I understand this is a common problem. Any ideas?
Asked on 9 August 2021 by chris timothy noltingk
![](http://images.honestjohn.co.uk/imagecache/file/pad/120x120/media/10703035/dan-p-polaroid.jpg)
Either the battery has been damaged by an incorrect jump start or the car is suffering from parasitic battery drain caused by a circuit that continues to draw a charge long after the car has been switched off.
If the car is suffering from parasitic battery drain then it could be any one of a number of things (boot light, radio, interior light etc). Best to have a parasitic leak check carried out by a garage to identify the cause. You can do some basic checks yourself by switching off everything and seeing if the battery holds a charge. You can then switch each circuit day-by-day until you identify the faulty unit. If this doesn't solve the problem then I would suggest seeking a reputable auto electrician.
If the car is suffering from parasitic battery drain then it could be any one of a number of things (boot light, radio, interior light etc). Best to have a parasitic leak check carried out by a garage to identify the cause. You can do some basic checks yourself by switching off everything and seeing if the battery holds a charge. You can then switch each circuit day-by-day until you identify the faulty unit. If this doesn't solve the problem then I would suggest seeking a reputable auto electrician.
Tags:
flat battery
battery drain
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