2009 Volvo c70 won't start after sitting for more than a day.

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Have taken it 4 times to the mechanic that specializes in Volvo repairs. Diagnostics show nothing wrong with the vehicle. Can not duplicate it not starting. It will jump and then I can drive it around fine. After about 1 1/2 days in an attached garage and not driving, then car is totally dead. So much so I can't even get the key out of the ignition. The only thing I am doing differently than the mechanic is that they are locking the door at night and I am not.

theudderwoman in Shelbyville KY

Dec 5, 2014

3 Replies

Popular Answer

CharlesAutomotiveon Dec 5, 2014

Have they performed a draw test to determine is there is excess drain on the battery and where it is coming from? When we run into this, we usually ask the customer to leave the car with use, so we can experience exactly your concern. I'd leave car for a couple of days with shop. They should be able to find drain.

theudderwomanon Dec 5, 2014

They can not find a drain on the battery. Just picked the car up after they had it at the shop for 1 week. Could not get it to duplicate what we experienced.

dmm80on Dec 27, 2014

I have this identical problem with my 2010 C70 convertible! If it sits undriven for 36-48 hours or more, it is almost always dead. The battery is fine -- I even replaced it recently just to be completely sure. AAA has had to jump me off probably 10-12 times in the past year, and they can't determine what is draining the battery. It's so frustrating, and I do not want to incur expenses of taking it in to Volvo for repairs. Please post here if anyone has a solution! Thank you!

S Fon Jan 3, 2015

I am having the same problem with my 2009 C70. We had to the local Volvo Dealer/repair service several times. All they could say is well there is a lot running on the car all the time so it's likely to happen. REALLY? That's the best someone can do? I expect more out of a car and company of this caliber. I love my car but can't continue with such unreliability. Sure wish someone could help us rectify the problem.

SteveF1964on May 7, 2015

I have the same problem on a 2008 C70. I suspect it is the alarm system but cant prove it yet. Does anyone know which fuse can be pulled to disable the alarm system?

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Richardsofficeon Mar 24, 2015

Have you found the answer to your problem yet? I have had the same issue with my C70 ever since I bought it from new 2007 and the official Volvo garage has never as yet found what (in my case) intermittently totally flattens its battery. However I calculated from the 1-amp of current being puled from its Battery immediately after locking it and the time it takes to totally flatten the battery, it could be a problem with the system and its setting to scan the inside of the car for any moment prior to energizing the alarm sensors, and this may not be disengaging? . . . And it could be a hundred other things I know :(

theudderwomanon May 7, 2015

We just got back from a trip for 9 days and intentionally did not take the car to the airport. We kept it in the garage locked the entire time. It started right up. We tried this as the repair shop locked the car up all the time while they had it and this was the only difference between what we were doing and what they were doing. Going on another trip soon and going to leave it in the garage again locked up and see if it starts when we get home.

Richardsofficeon May 8, 2015

>9 days locked and OK< That's interesting, However I never leave my C70 unlocked, I only use/start it on average once a week, and I only find the battery flat when I go to it just occasionally once or twice a year. The odd thing is that when the battery goes flat is when I've parked it at the airport usually for 5 days, and the only thing different from when it is left locked in my carport is that the last thing I do at the airport is get our suitcases out of the boot? So I have removed the two boot light bulbs, lets see what happens when I take it to the airport in November.

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ExpatChicon Jun 2, 2015

Same problem w/2004 C70. However, my problem seemed to be a short in the driver's side vanity mirror. Once I removed the bulb, no more problems. However, I carry one of those self-contained battery jumpers in my trunk, just in case. Mine is made by Stanley. 1000-amp peak jump starter w/compressor. As long as you keep it charged (once a month or so), it's good to go!

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